22 June 2020 – 26 June 2020 OSA Virtual Event - Pacific Daylight Time (UTC - 07:00)
 
02 July 2020

This OSA Meeting was presented in an all virtual, web conference format.

Technical sessions were recorded and are available to registrants for on-demand viewing. [Access recorded sessions.]

Download 2020 Agenda of Sessions

Wednesday, 24 June

All Times are Pacific Time (US & Canada) (UTC - 07:00)

7:10 - 7:30 (UTC - 07:00)

8:00 - 9:30 (UTC - 07:00)

    Plasma and Combustion Diagnostics (LW1E)
    Presider: Aamir Farooq, King Abdullah Univ of Sci & Technology

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    8:00 - 8:30
    Radar REMPI for Quantitative Combustion and Plasma Diagnostics (LW1E.1)
    Presenter: Zhili Zhang, University of Tennessee Knoxville

    Coherent microwave Rayleigh scattering for detection resonance-enhanced multiphoton ionization (radar REMPI) has been developed for trace species in air, atomic and radicals in hydrocarbon flames, plasma parameters, and semiconductor inspection in the past decade.

    Authors:Zhili Zhang/University of Tennessee Knoxville Yue Wu/University of Tennessee Knoxville Mark Gragston/University of Tennessee Knoxville Jordan Sawyer/University of Tennessee Knoxville Cary Smith/University of Tennessee Knoxville


    Invited
      Paper
    8:30 - 8:45
    (Withdrawn) The Spatial Distribution of HO2 in the Effluent of a Cold Atmospheric Pressure Plasma Jet Investigated by Cavity Ring-Down Spectroscopy (LW1E.2)
    Presenter: Jean-Pierre van Helden, Leibniz Institute for Plasma Science & T

    With near-infrared cavity ring-down spectroscopy, we analyzed the spatial distribution of HO2 in the effluent of the cold atmospheric pressure plasma jet kINPen, in order to get more insights in the reaction kinetics of H2O2. The spatial distribution was obtained by combining an axial scan and Abel inverted radial profiles.

    Authors:Sarah-Johanna Klose/Leibniz Institute for Plasma Science & T Katherine manfred/University of Oxford Grant Ritchie/University of Oxford Jean-Pierre van Helden/Leibniz Institute for Plasma Science & T

    8:45 - 9:00
    Pulse-Burst Generation for Single-Shot Time-Resolved Dual-Comb Spectroscopy of Laser-Induced Plasmas (LW1E.3)
    Presenter: Reagan Weeks, University of Arizona

    We present measurements of the time-evolution of multiple transitions present in a laser-induced plasma in a single-shot using dual-comb spectroscopy. The plasma is probed at multiple times using eight delayed pulses in the probe comb.

    Authors:Reagan Weeks/University of Arizona Yu Zhang/University of Arizona Caroline Lecaplain/University of Arizona Jeremy Yeak/Opticslah Sivanandan Harilal/Pacific Northwest National Laboratory Mark Phillips/University of Arizona R Jones/University of Arizona

      Paper
    9:00 - 9:30
    Development and Application of Laser-based Diagnostics of Plasma and Plasma-assisted Chemistry (LW1E.4)
    Presenter: Andreas Ehn, Lunds Universitet

    Abstract not available.

    Authors:Andreas Ehn/Lunds Universitet


    Invited

    Force, Pressure and Vibration Sensing (SW1F)
    Presider: Gianluca Gagliardi, Istituto Nazionale di Ottica

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    8:00 - 8:30
    Diaphragm-based Acoustic Sensors and Accelerometers Using Near-zero-order Interferometry (SW1F.1)
    Presenter: Behrad Habib Afshar, Stanford University

    Abstract not available.

    Authors:Michel Digonnet/Stanford University Behrad Habib Afshar/Stanford University


    Invited
    8:30 - 8:45
    Ultra-sensitive Brillouin nanofiber force sensor (SW1F.2)
    Presenter: Jean Charles Beugnot, Institut FEMTO-ST

    We used Brillouin scattering in silica nanofiber to demonstrate a microNewton force sensor. This fiber point sensor induce no excessive losses and need one access. The measurements are in good agreement with the theoretical model.

    Authors:Adrien Godet/Institut FEMTO-ST Jacques Chrétien/Institut FEMTO-ST Kien phan huy/Institut FEMTO-ST Jean Charles Beugnot/Institut FEMTO-ST

      Paper
    8:45 - 9:00
    LPG fiber optic sensor applied to the flexural vibration monitoring and determination of dynamic Young's modulus of woods (SW1F.3)
    Presenter: Luis Mosquera, Universidad Nacional de Ingenieria

    Wooden bars arranged in cantilever configuration are put in oscillation. LPG fiber grating is used to register the flexural movement of the bar as a function of time to obtain the bar material’s Young’s modulus

    Authors:Luis Mosquera/Universidad Nacional de Ingenieria Lady Mamani/Universidad Nacional de Ingenieria Jesús Pinao/Universidad Nacional de Ingenieria Ana Carrillo/Universidad Nacional de Ingenieria

      Paper
    9:00 - 9:15
    (Withdrawn) Highly Sensitive Torsion Sensors Based on an Increased Diameter Core and Lateral-Offset Mach-Zehnder Interferometer with single mode fiber (SW1F.4)
    Presenter: Juan Ortega, University of Guanajuato

    A torsion sensor base on an increased diameter core and lateral-offset is presented. The Mach-Zehnder interferometer (MZI) was implemented by lateral-offset fusion splicing using three pieces of single mode fibers (SMFs). The experimental results showed a change in wavelength due to a torsion.

    Authors:Juan Ortega/University of Guanajuato

    9:15 - 9:30
    (Withdrawn) Calibration of a static stiffness reference (SW1F.5)
    Presenter: Jonathan Cripe, National Institute of Standards and Technology

    We demonstrate the calibration of a static stiffness reference by measuring the deflection of the sensor under the load of a calibrated mass. This method produces repeatable results and traceability to the kilogram.

    Authors:Jonathan Cripe/National Institute of Standards and Technology Gordon Shaw/National Institute of Standards and Technology


    Compact Sensors (EW1H)
    Presider: Peter Geiser, NEO Monitors

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    8:00 - 8:30
    Gas Sensing Applications Using Miniaturized Optical Sensing Systems (EW1H.1)
    Presenter: Ulrike Willer, Technical University of Clausthal

    In this review, two different methods for gas sensing applications are highlighted: QEPAS and a fiberoptic sensor relying on a change of refractive index when the target species is present.

    Authors:Ulrike Willer/Technical University of Clausthal Mario Mordmueller/Technical University of Clausthal Wolfgang Schade/Technical University of Clausthal


    Invited
      Paper
    8:30 - 8:45
    Photothermal Trace Gas Measurement with a Compact Fiber-Coupled Fabry–Pérot Interferometer (EW1H.2)
    Presenter: Philipp Breitegger, Graz University of Technology

    Sensors for the reliable measurement of trace gases are of high interest. A compact and robust fiber-coupled Fabry-Pérot interferometer is employed in photothermal spectroscopy to measure nitrogen dioxide concentrations at the ppb level.

    Authors:Philipp Breitegger/Graz University of Technology Benjamin Lang/Graz University of Technology Alexander Bergmann/Graz University of Technology

      Paper
    8:45 - 9:00
    Labyrinth Absorber Metasurface Based on Metageometries for High Sensitivity Sensing Applications (EW1H.3)
    Presenter: Irati Jáuregui-López, Antennas Group-TERALAB, Universidad Pública de Navarra


    Here a high-sensitivity metasensor working in the terahertz band is presented and its performance as a sensing device is numerically and experimentally evaluated, achieving high values of sensitivity for both thin-film sensor and fungi detector.

    Authors:Irati Jáuregui-López/Antennas Group-TERALAB, Universidad Pública de Navarra Pablo Rodriguez-Ulibarri/Antennas Group-TERALAB, Universidad Pública de Navarra Sergei A. Kuznetsov/Rzhanov Institute of Semiconductor Physics SB RAS Miguel Beruete/Antennas Group-TERALAB, Universidad Pública de Navarra

      Paper
    9:00 - 9:15
    Ultra-sensitive chiral sensing and analysis from the nanoscale to the earth’s atmosphere (EW1H.4)
    Presenter: Lykourgos Bougas, Johannes Gutenberg-Universität Mainz

    Chirality plays an essential role in life and, therefore, in modern science. I’ll present novel technologies for ultra-sensitive, absolute, chiral sensing and analysis, in all phases, from the nanoscale to the earth’s atmosphere.

    Authors:Lykourgos Bougas/Johannes Gutenberg-Universität Mainz

      Paper
    9:15 - 9:30
    (Withdrawn) In-situ observing the hygroscopic growth of single aerosol nanoparticle using a surface-sensitive photonic microscope (EW1H.5)
    Presenter: Yan Kuai, UniversityofScience andTechnologyofChina

    In this paper we present a surface-sensitive photonic microscope that was proposed to measure the hygroscopic growth of single aerosol nanoparticle, and recorded the phace change process with the good time resolution.

    Authors:Yan Kuai/UniversityofScience andTechnologyofChina


    Turbulence and AO I (Joint pcAOP and AO) (JW1G)
    Presider: Julian Christou, Large Binocular Telescope Observatory

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    8:00 - 8:30
    Optical turbulence forecast: new perspectives (JW1G.1)
    Presenter: Elena Masciadri, INAF- Osservatorio Astrofisico di Arcetri

    In this contribution I present results achieved recently in the field of the OT forecast that push further the limit of the accuracy of the OT forecasts and open to new perspectives in this field.

    Authors:Elena Masciadri/INAF- Osservatorio Astrofisico di Arcetri Gianluca Martelloni/INSTM Alessio Turchi/INAF- Osservatorio Astrofisico di Arcetri


    Invited
      Paper
    8:30 - 9:00
    Investigating ground layer and dome turbulence in astronomical observatories using a localized optical turbulence sensor. (JW1G.2)
    Presenter: Olivier Lai, Université Côte d’Azur

    We have developed a turbulence sensor to study image degradation in domes of astronomical observatories. A prototype has already been deployed at sites such as CFHT, UH88 and LBT, revealing the effects of minute temperature differences, dome venting and the amplification of non-Kolmogorov turbulence by adaptive optics.

    Authors:Olivier Lai/Université Côte d’Azur Kanoa Withington/Canada France Hawaii Telescope Mark Chun/University of Hawaii Romain Laugier/Université Côte d’Azur


    Invited
      Paper
    9:00 - 9:15
    On the outer length scales of optical turbulence (JW1G.3)
    Presenter: Sukanta Basu, Technische Universiteit Delft

    Kolmogorov's 1941 hypothesis on local isotropy is only applicable for scales smaller than the outer length scales (OLS). By utilizing data from direct numerical simulations and wind tunnel experiments, we quantify OLS in stratified flows.

    Authors:Sukanta Basu/Technische Universiteit Delft Adam DeMarco/US Air Force Ping He/University of Michigan

      Paper
    9:15 - 9:30
    Interlaced Phase Screen and Convolution Operators: An Efficient Modeling and Computational Tool for ELT-sized Adaptive Optics Systems (JW1G.4)
    Presenter: Henri-François Raynaud, Universite de Paris XIII

    An interlacing procedure enabling to construct spatially invariant models of ELT-sized AO systems and atmospheric turbulence involving different spatial resolutions is presented. This approach enables to perform highly parallelizable off-line and on-line computations.

    Authors:Henri-François Raynaud/Universite de Paris XIII Caroline Kulcsar/Universite de Paris XIII

      Paper

    Agriphotonics: Assessing Food Quality and Safety with Spectroscopy (AW1I)
    Presider: Marion O'Farrell, SINTEF

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    8:00 - 8:30
    Investigating Miniaturized Spectroscopic Devices for Use in Food Authentication (AW1I.1)
    Presenter: Betsy Yakes, U.S. Food and Drug Administration

    Advances in spectrometer miniaturization have led to analytical-grade and consumer-marketed technologies that could improve food safety. Device efficacy is highlighted through case studies of regulated commodities (e.g., milk authentication and marine oil label verification).

    Authors:Betsy Yakes/U.S. Food and Drug Administration


    Invited
      Paper
    8:30 - 9:00
    Potential of Spectroscopy for Fruits and Vegetables Processing and Quality Assessment (AW1I.2)
    Presenter: Ravikanth Lankapalli, McCain Foods

    Fruits and vegetables are the primary part of healthy human diet. Spectroscopy in various forms has emerged as a reliable and efficient non-destructive technique for processing, value addition and quality assessment of these fruits and vegetables.

    Authors:Ravikanth Lankapalli/McCain Foods Chandra Singh/Lethbridge College


    Invited
      Paper
    9:00 - 9:30
    Using HP Nanofinger SERS Sensors to Identify and Monitor the Health of Bacteria through Metabolite Detection (AW1I.3)
    Presenter: Milo Overbay, HP, Inc

    Abstract: HP, Inc. has developed a Surface Enhanced Raman Spectroscopy (SERS) sensor based on self-assembled nanofingers that maximize plasmon resonance from hot spot gaps. One promising application is the identification of bacteria through metabolite detection. © 2020 The Authors

    Authors:Milo Overbay/HP, Inc Raghuvir Sengupta/HP, Inc Fausto D'Apuzzo/HP, Inc Jason Aronoff/HP, Inc Steven Barcelo/HP, Inc


    Invited
      Paper

    Super-resolution (CW1B)
    Presider: Andrew Harvey, University of Glasgow

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    8:00 - 8:30
    Exploiting Speckle Dynamics for Super-resolution (CW1B.1)
    Presenter: Ori Katz, Hebrew University of Jerusalem

    Abstract not available.

    Authors:Ori Katz/Hebrew University of Jerusalem


    Invited
    8:30 - 8:45
    Megapixel Fluorescence Lifetime Imaging by Super-Resolution of a SPAD array (CW1B.2)
    Presenter: Yongzhuang Zhou, University of Glasgow

    Fluorescence lifetime microscopy (FLIM) is restricted by the modest pixel count of single-photon-avalanche-diode (SPAD) arrays. We report micro-scanning and super-resolution of a SPAD array, yielding 32x improvement in resolution and enabling high-frame-rate, wide-field FLIM.

    Authors:Yongzhuang Zhou/University of Glasgow Graham Hungerford/HORIBA Jobin Yvon IBH Ltd. Guillem Carles/University of Glasgow Vytautas Zickus/University of Glasgow David McLoskey/HORIBA Jobin Yvon IBH Ltd. Daniele Faccio/University of Glasgow Andrew Harvey/University of Glasgow

      Paper
    8:45 - 9:00
    Enhanced-resolution fluorescence lifetime imaging from multiple sensor data fusion (CW1B.3)
    Presenter: Areeba Fatima, University of Glasgow

    The picosecond temporal resolution of a SPAD array is computationally extended to the higher spatial resolution of a conventional CMOS camera and is applied to high resolution fluorescence lifetime imaging of cancer cells.

    Authors:Areeba Fatima/University of Glasgow Jamie Whitelaw/Cancer Research UK,Beatson Institute Vytautas Zickus/University of Glasgow Ewan McGhee/Cancer Research UK,Beatson Institute Robert Insall/Cancer Research UK,Beatson Institute Laura Machesky/Cancer Research UK,Beatson Institute Alex Turpin/University of Glasgow Daniele Faccio/University of Glasgow

      Paper
    9:00 - 9:15
    Data fusion for high resolution fluorescence lifetime imaging using deep learning (CW1B.4)
    Presenter: Valentin Kapitany, University of Glasgow

    We report a technique for high-resolution fluorescence lifetime imaging that is based on data-fusion of fluorescence lifetime images at low spatial resolution with fluorescence intensity images at high-resolution, via deep learning, for wide-field, real-time FLIM

    Authors:Valentin Kapitany/University of Glasgow Alex Turpin/University of Glasgow Jamie Whitelaw/Beatson Institute for Cancer Research Ewan McGhee/Beatson Institute for Cancer Research Robert Insall/Beatson Institute for Cancer Research Laura Machesky/Beatson Institute for Cancer Research Daniele Faccio/University of Glasgow

      Paper
    9:15 - 9:30
    Localized plasmon assisted double moiré super-resolution imaging (CW1B.5)
    Presenter: Ruslan Röhrich, AMOLF

    We report on a new super-resolution imaging technique, which combines structured illumination with localized surface plasmons to increase the lateral resolution in fluorescence imaging by more than a factor of two.

    Authors:Ruslan Röhrich/AMOLF Femius Koenderink/AMOLF

      Paper

    Digital Holographic Techniques for Bio-imaging I (HW1C)
    Presider: Pietro Ferraro, Institute of Intelligent Systems CNR

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    8:00 - 8:45
    Phase Imaging with Computational Sensitivity (PICS) (HW1C.1)
    Presenter: Gabriel Popescu, Univ of Illinois at Urbana-Champaign

    Abstract not available.
    Biography not available.

    Authors:Gabriel Popescu/Univ of Illinois at Urbana-Champaign

    8:45 - 9:15
    2D and 3D Lensless Microscopes : Easy Tools for Visualizing Cell Culture Time-Lapses (HW1C.2)
    Presenter: Lionel Hervé, CEA-LETI

    We developed 2D and 3D lens-free microscopes, based on the data processing of raw diffraction images. By nature, these systems allows imaging large field of view of unlabeled samples and easily provide time-lapses.

    Authors:Lionel Hervé/CEA-LETI anthony berdeu/CEA-LETI Nathalie Picollet-D'Hahan/CEA Olivier Cioni/CEA-LETI Thomas Bordy/CEA-LETI Mathilde Menneteau/CEA-LETI Xavier Gidrol/CEA Sophie Morales/CEA-LETI Cédric Allier/CEA-LETI


    Invited
      Paper
    9:15 - 9:30
    Wide area holographic microscopy by spatial phase scanning (HW1C.3)
    Presenter: Myung Kim, University of South Florida

    Spatial phase scanning is introduced for wide area acquisition of quantitative phase microscopy. Both phase shifting and wide area acquisition is achieved by scaning the object across the tilted reference phase field of holographic interferometer.

    Authors:Myung Kim/University of South Florida

      Paper

    Neuromorphic and Metamorphic Cameras (IW1D)
    Presider: Michael Groenert, US Army RDECOM CERDEC

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    8:00 - 8:30
    (Withdrawn) Event Cameras and Data-Driven Inference (IW1D.1)
    Presenter: Tobi Delbruck, Univ. of Zurich and ETH Zurich

    Neuromorphic “event cameras” that I will demo do not have the latency-power tradeoff of standard cameras. Similarly, our CNN and RNN accelerators exploit spatial and temporal sparsity to achieve SOA FOMs.

    Authors:Tobi Delbruck/Univ. of Zurich and ETH Zurich


    Invited
    8:30 - 9:00
    (Withdrawn) Title to be Announced (IW1D.2)
    Presenter: Guido Zarella, The MITRE Corp.

    Abstract not available.

    Authors:Guido Zarella/The MITRE Corp.


    Invited
    9:00 - 9:30
    Metaphotonic Computational Image Sensors (IW1D.3)
    Presenter: Arka Majumdar, University of Washington

    Metasurfaces created via multi-scale inverse electromagnetic design method, coupled with computational techniques can create ultra-compact, low-power and low-latency image sensor. We will show our work on such sensors for imaging and depth sensing.

    Authors:Arka Majumdar/University of Washington


    Invited
      Paper

    Integral Imaging Systems (DW1A)
    Presider: Adrian Stern, Ben Gurion University of the Negev

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    8:00 - 8:30
    3D Capture and Display Based on Spatial Imaging Technology (DW1A.1)
    Presenter: Hayato Watanabe, Japan Broadcast Co.

    We have been studying spatial imaging technologies for realizing three-dimensional (3D) television broadcasting services. This paper presents our multi-camera systems to capture 3D images and our light field 3D displays that use multiple display devices.

    Authors:Hayato Watanabe/Japan Broadcast Co. Hisayuki Sasaki/Japan Broadcast Co. Kensuke Ikeya/Japan Broadcast Co. Naoto Okaichi/Japan Broadcast Co. Masanori Kano/Japan Broadcast Co. Takuya Omura/Japan Broadcast Co. Jun Arai/Japan Broadcast Co. Masahiro Kawakita/Japan Broadcast Co. Tomoyuki Mishina/Japan Broadcast Co.


    Invited
      Paper
    8:30 - 9:00
    Multi-information fusion depth estimation of compressed spectral light field images (DW1A.2)
    Presenter: Xiaomin Liu, Zhengzhou University

    We develope a spectral light field imaging system, establish a theoretical model of the grayscale and wavelength, and propose a depth estimation method of compressed spectral image based on true color synthesis and multi-information fusion.

    Authors:Xiaomin Liu/Zhengzhou University Pengbo Chen/Zhengzhou University Mengzhu Du/Zhengzhou University Huaping Zang/Zhengzhou University Huace Hu/Zhengzhou University Yunfei Zhu/Zhengzhou University Zhibang Ma/Zhengzhou University Qiancheng Wang/Zhengzhou University Yuanye Niu/Zhengzhou University


    Invited
      Paper
    9:00 - 9:30
    Lightfield microscopy, an emerging tool for real-time 3D imaging (DW1A.3)
    Presenter: Manuel Martinez-Corral, University of Valencia

    Integral, or lightfield, microscopy offers the possibility of capturing and processing in real time multiple views of 3D fluorescent samples captured with a single shot. In this contribution we review the recent advances in lightfield microscopy and enunciate the forthcoming challenges.

    Authors:Manuel Martinez-Corral/University of Valencia Gabriele Scrofani/University of Valencia Genaro Saavedra/University of Valencia Emilio Sanchez-Ortiga/University of Valencia


    Invited
      Paper

9:30 - 11:00 (UTC - 07:00)

    Joint Poster Session II (JW2A)
    Presider: Randy Giles, The Optical Society

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    9:30 - 9:30
    Uniform and Gaussian-profile Beam Transmission for 2D Object across a Nonmagnetic Chiral Interface (JW2A.1)
    Presenter: Monish Chatterjee, University of Dayton

    Recent investigation of Fresnel coefficients (FCs) corresponding to a achiral/chiral (ACC) interface for p-polarization is extended to examine the transmitted amplitude profile of a 2D object/transparency under (a) uniform and (b) Gaussian-profile incident beams.

    Authors:Monish Chatterjee/University of Dayton Akram Muntaser/University of Dayton

      Paper
    9:30 - 9:30
    LED-based Solar Ring Light Simulator on a Measurescope (JW2A.2)
    Presenter: Dechao Zeng, UMass Amherst

    Luminance and irradiance uniform ring-light is essential for image processing and machine vision for measure scopes. A curved lens is designed for irradiance uniformity and five types of wavelengths of LEDs are used to fulfill luminance uniformity.

    Authors:Du Xian/UMass Amherst Dechao Zeng/UMass Amherst

      Paper
    9:30 - 9:30
    Design of waveguide eyeglass for full-color display with large field of view (JW2A.4)
    Presenter: Xueliang Shi, Beijing Institute of Technology

    A waveguide eyeglass system integrating freeform elements and volume gratings have been proposed and designed. The simulation results show that the hybrid system can show full color images with FOV 31.56°×24° (horizontal × vertical).

    Authors:Xueliang Shi/Beijing Institute of Technology Juan Liu/Beijing Institute of Technology Jiasheng Xiao/Beijing Institute of Technology Jian Han/Beijing Institute of Technology

      Paper
    9:30 - 9:30
    Computer-Generated Hologram for Pentile Display Panel (JW2A.7)
    Presenter: Dukho Lee, Seoul National University

    In this paper, we propose computer-generated hologram calculation method for pentile display panel. In order to compensate non-orthogonal pixel structure, the CGHs for the even and odd rows of pixels are calculated separately and combined again with proper compensation term. The proposed method is verified by simulation and experimental results.

    Authors:Dukho Lee/Seoul National University Jaebum Cho/Seoul National University Seokil Moon/Seoul National University Byoungho Lee/Seoul National University

      Paper
    9:30 - 9:30
    Enlarged viewing zone using light wave propagation simulation (JW2A.8)
    Presenter: Takahiro Kobayakawa, Japan

    We propose a calculation method based on the Fourier transform holography calculation method and a reproduction optical system that can enlarge viewing angle of electro-holography regardless of the pixel pitch.

    Authors:Takahiro Kobayakawa/Japan Yuji Sakamoto/Japan

      Paper
    9:30 - 9:30
    High-resolution quantitative phase imaging using deep neural network (JW2A.9)
    Presenter: Sunil Bhatt, IIT Delhi

    We demonstrate high-resolution in quantitative phase imaging using deep neural network. We improve the resolution of human RBC phase maps acquired by low numerical-aperture (NA), to achieve comparable resolution that of high NA objective lens

    Authors:Sheetal Kanade/IIT Delhi Ankit Butola/IIT Delhi Sunil Bhatt/IIT Delhi Anand kumar/IIT Delhi Dalip Mehta/IIT Delhi

      Paper
    9:30 - 9:30
    Discrete cosine transform and total variation denoising based optimization approach for pixelation removal in fiber optic imaging system (JW2A.10)
    Presenter: Sunil Bhatt, IIT Delhi

    Discrete cosine transform (DCT) and total variation (TV) denoising based algorithm is proposed to remove inherent honeycomb structure of fiber optic imaging system and to preserve sharp edges without sacrificing the resolution of the system

    Authors:Ankit Butola/IIT Delhi RAKESH JOSHI/university of connecticut Kashif Usmani/university of connecticut Sunil Bhatt/IIT Delhi Sheetal Kanade/IIT Delhi Anand kumar/IIT Delhi azeem ahmad/UiT Dalip Mehta/IIT Delhi

      Paper
    9:30 - 9:30
    Enlargement of viewing angle in electro-holography using time division method and multiple reconstruction lights (JW2A.11)
    Presenter: Naruto Fujimori, Hokkaido University

    In this paper, we propose a simple optical system that eliminates the 0th-order light by expanding the viewing angle by time division using multiple reconstructed illumination lights for one LCD.

    Authors:Naruto Fujimori/Hokkaido University Yuji Sakamoto/Hokkaido University

      Paper
    9:30 - 9:30
    Analysis of the bandwidths of Volume Phase grating with a variety of refractive index distributions (JW2A.12)
    Presenter: Kaoru Nakajima, Japan Women's University

    The sawtooth type of refractive index distribution (RID) with smaller refractive index modulation (nm) is effective in minimizing the bandwidths, and the rectangular type of RID with larger nm is effective in maximizing the bandwidth.

    Authors:Kaoru Nakajima/Japan Women's University

      Paper
    9:30 - 9:30
    White Light Interference Microscopy with Color Fringe Analysis for Quantitative Phase Imaging and 3-D Step Height Measurement (JW2A.13)
    Presenter: Priyanka Mann, IIT DELHI

    Quantitative phase imaging is label-free interferometric technique which provides high contrast images of transparent biological samples. We propose low coherence white light interference microscopy with speckle free imaging for extracting phase map at multiple wavelengths.

    Authors:Priyanka Mann/IIT DELHI Veena singh/IIT DELHI shilpa tayal/IIT DELHI dalip mehta/IIT DELHI

      Paper
    9:30 - 9:30
    Correction of 3D Localisation Error of Multiple Objects In Close-proximity in Digital Holography (JW2A.14)
    Presenter: Matthew Hall, University of Warwick

    Using traditional edge-detection methods, the ability to accurately localise the 3D position of a small object is hindered in the presence of multiple objects. A more accurate alternative method for 3D localisation is proposed.

    Authors:Matthew Hall/University of Warwick Catherine Towers/University of Warwick David Towers/University of Warwick

      Paper
    9:30 - 9:30
    Convolutional Neural Networks Applied to Inline Particle Holography (JW2A.15)
    Presenter: Johan Ohman, Lulea University of Technology

    Three-dimensional particle positioning from inline holograms is performed using convolutional neural networks. The faster R-CNN architecture is implemented for multi-particle identification and lateral positioning, and a second network estimates the depth position. Supervised learning is used to train the network using simulated holograms.

    Authors:Marcus Hedlund/Lulea University of Technology Caroline Holmström/Lulea University of Technology Elliot Härenby Deak/Lulea University of Technology Robert Olsson/Lulea University of Technology Mikael Sjodahl/Lulea University of Technology Johan Ohman/Lulea University of Technology

      Paper
    9:30 - 9:30
    Discrimination of living cells utilizing biophysical cell parameters retrieved from quantitative digital holographic phase contrast images and machine learning (JW2A.16)
    Presenter: Björn Kemper, University of Muenster

    We explored strategies to discriminate living cells utilizing morphology related biophysical cell parameters retrieved from quantitative digital holographic phase contrast images and machine learning.

    Authors:Tilmann Klein/Hamm-Lippstadt University of Applied Sciences Steffi Ketelhut/University of Muenster Klaus Brinker/Hamm-Lippstadt University of Applied Sciences Björn Kemper/University of Muenster

      Paper
    9:30 - 9:30
    Residual Fringe Visibility for Enhancing Image Contrast of Numerical Reconstruction in Digital Off-Axis Holography (JW2A.20)
    Presenter: Manuel Bedrossian, Caifornia Institute of Technology

    We show that background fringe pattern subtraction is a useful technique in removing static noise from off-axis holographic reconstructions and can enhance image contrast in volumetric reconstructions by an order of magnitude

    Authors:Manuel Bedrossian/Caifornia Institute of Technology J. Kent Wallace/Jet Propulsion Laboratory Eugene Serabyn/Jet Propulsion Laboratory C. lindensmith/Jet Propulsion Laboratory

      Paper
    9:30 - 9:30
    Analysis of Correlation Hyperspectral Interferometers for Correlation Measurements of Broadband Wavefronts (JW2A.21)
    Presenter: Nikolai Petrov, ITMO University

    The report discusses hyperspectral interferometric measurement systems for the tasks of wavefront sensing and amplitude-phase objects reconstruction. The influence of spatial and spectral phase in the interferometer arms are analyzed in numerical simulation.

    Authors:Maksim Kulya/ITMO University Vladimir Katkovnik/Tampere University Karen Egiazarian/Tampere University Nikolai Petrov/ITMO University

      Paper
    9:30 - 9:30
    Training and Using the Deep Learning Wavefront Sensor (JW2A.24)
    Presenter: Camilo Weinberger, Pontificia Univ. Catolica de Valparaiso

    e propose an Adaptive Optics system controlled by a Slow Deep Learning Wavefront Sensor architecture that can predict and correct the first Zernike modes of low refresh frequency atmospheric effects to anticipate the AO in astronomical observations.

    Authors:Camilo Weinberger/Pontificia Univ. Catolica de Valparaiso Esteban Vera/Pontificia Univ. Catolica de Valparaiso Felipe Guzmán/Pontificia Univ. Catolica de Valparaiso

      Paper
    9:30 - 9:30
    Adulteration Detection in Olive Oil Using a Broad Band Light Source (JW2A.27)
    Presenter: Jessica Figueroa Ramírez, Universidad de Guanajuato

    In this work we use two light sources in the visible range (supercontinuum and pulsed laser source) for the identification, detection and evaluation of the state of oil, based on the fluorescence spectroscopy technique.

    Authors:Jessica Figueroa Ramírez/Universidad de Guanajuato Julian Moises Estudillo Ayala/Universidad de Guanajuato Roberto Rojas Laguna/Universidad de Guanajuato Juan Manuel Sierra Hernandez/Universidad de Guanajuato Juan Carlos Hernadez Garcia/Universidad de Guanajuato Daniel Jauregui Vazquez/Universidad de Guanajuato Jose Roberto Reyes Ayona/Universidad de Guanajuato

      Paper
    9:30 - 9:30
    Hot-Plate Emitter with Distributed Heating for High Mid-IR Output (JW2A.28)
    Presenter: Mohammadamir Ghaderi, Chalmers University of Technology

    Suspended polySi heaters for use as a mid-IR light source in a microspectrometer. Distributed electrical powering of the structure results in a uniform temperature profile. The integrated optical filter results in an enhanced spectral emission.

    Authors:Mohammadamir Ghaderi/Chalmers University of Technology Yaonian Cui/Delft University of Technology Peter Enoksson/Chalmers University of Technology Reinoud Wolffenbuttel/Chalmers University of Technology

      Paper
    9:30 - 9:30
    CNN-based Super-resolution Full-waveform LiDAR (JW2A.29)
    Presenter: Gangping Liu, Beijing Institute of Technology

    Instead of multiple sets of measurements, we discuss a CNN with one set of data to obtain temporal super-resolution in full-waveform LiDAR. The super-resolution results can enhance further waveform decomposition or classification performance.

    Authors:Gangping Liu/Beijing Institute of Technology Jun Ke/Beijing Institute of Technology Edmund Lam/University of Hong Kong

      Paper
    9:30 - 9:30
    Fresnel Imaging Model for Improved Multislice Fourier Ptychography (JW2A.30)
    Presenter: Knut Olav Schnell, Norwegian University of Science and Technology

    Multislice Fourier ptychography (MFP) uses angularly diverse illumination to compute a three-dimensional image of the sample. We present an improved MFP algorithm, demonstrating better convergence properties and reduced noise in reconstructions.

    Authors:Knut Olav Schnell/Norwegian University of Science and Technology Mojde Hasanzade/University of Southeast Norway Muhammad Akram/University of Southeast Norway Dag Breiby/Norwegian University of Science and Technology

      Paper
    9:30 - 9:30
    Testbed implementation of tensor-based compressive spectral-angular imaging (JW2A.31)
    Presenter: Henry Arguello, University

    This work proposes a camera that captures spectral light field images by placing a microlens array into the optical assembly of a color compressive spectral imager along with an algorithm that reconstructs them from a single measurement.

    Authors:Miguel Marquez/University Hoover Rueda/University Fernando Rojas/University Henry Arguello/University

      Paper
    9:30 - 9:30
    Compressive depth spectral image estimation from aberrations and colored-mosaic detector (JW2A.32)
    Presenter: Henry Arguello, University

    We present an imaging device that captures compressive spectral and depth images, efficiently reconstructing the data from only two compressive measurements by using an efficient mathematical model.

    Authors:Miguel Marquez/University Pablo Meza/University Esteban Vera/University Henry Arguello/University

      Paper
    9:30 - 9:30
    Towards High-Throughput Coded Aperture Compressive Spectral Imaging (JW2A.33)
    Presenter: Hoover Rueda, Universidad Industrial de Santander

    We report on the design of a new strategy to optimize coded apertures for compressive spectral imaging so that high-throughput sensing is attained, and thus, high signal to noise ratio in the compressed measurements.

    Authors:Hoover Rueda/Universidad Industrial de Santander Daniel Molina/Universidad Industrial de Santander Henry Arguello/Universidad Industrial de Santander

      Paper
    9:30 - 9:30
    Compressive spectral imaging via virtual side information (JW2A.34)
    Presenter: Henry Arguello, University

    This work introduces a compressive snapshot imaging device that efficiently captures the spectral and spatial information along with a mathematical model that allows reconstructs a spectral image with a high-spatial-resolution from a single compressed measurement.

    Authors:Miguel Marquez/University Hoover Rueda/University Fernando Rojas/University Henry Arguello/University

      Paper
    9:30 - 9:30
    Discriminating the Temperature and Strain Responses of a Fibre Bragg Grating Sensor by Exploiting its Transmittance (JW2A.35)
    Presenter: Venkatesh Chakravartula, SRM Institute of Science and Technology

    We propose a novel technique to discriminate the temperature and strain response of a fibre Bragg grating sensor, using both the grating transmittance and Bragg wavelength. Both measurands exhibit a linear relation with the transmittance.

    Authors:Venkatesh Chakravartula/SRM Institute of Science and Technology Shivani Rani/SRM Institute of Science and Technology Dhanalakshmi Samiappan/SRM Institute of Science and Technology R. Kumar/SRM Institute of Science and Technology

      Paper
    9:30 - 9:30
    Testing of an open-path TDLAS C2H2 spectrometer on an area emitter at PTB’s 600-m-baseline (JW2A.36)
    Presenter: Zhechao Qu, Physikalisch-Technische Bundesanstalt

    An open-path TDLAS spectrometer was investigated for monitoring C2H2 emission from a controlled area emitter. The diffusion effects were measured by changing the boundary conditions. Wind effects were also tested at up-to 600m pathlength.

    Authors:Zhechao Qu/Physikalisch-Technische Bundesanstalt Javis Nwaboh/Physikalisch-Technische Bundesanstalt Olav Werhahn/Physikalisch-Technische Bundesanstalt Volker Ebert/Physikalisch-Technische Bundesanstalt

      Paper
    9:30 - 9:30
    Label-free Detection of Microbacterial Biofilms in Drinking Water using Laser Induced Fluorescence (JW2A.37)
    Presenter: Mahsa Ghezelbash, Tampere University

    We show that fluorescence emission of biofilms in drinking water can provide an early warning information about potential microbacterial problems in water quality. All studied biofilms demonstrate a strong fluorescence at 450 nm wavelength range

    Authors:Mahsa Ghezelbash/Tampere University Juha Toivonen/Tampere University Annika Laaksonen/Tampere University Sami Oikarinen/Tampere University Kirsi-Maarit Lehto/Tampere University

      Paper
    9:30 - 9:30
    FSO-CDMA Systems Supporting end-to-end Network Slicing (JW2A.38)
    Presenter: thiago raddo, Institute for Photonic Integration

    A new flexible, secure FSO-CDMA system supporting end-to-end network resource slicing is proposed and investigated. New mathematical formalisms considering distinct turbulence conditions are derived.The system supportsdifferent applications, use cases, and traffic requirements.

    Authors:thiago raddo/Institute for Photonic Integration Javier Perez-Santacruz/Institute for Photonic Integration Ulf Johannsen/Institute for Photonic Integration Iyad Dayoub/Univ. Polytechnique Hauts de France - CNRS and Universite de Lille - ISEN Shyqyri Haxha/Royal Holloway, University of London Idelfonso Tafur Monroy/Institute for Photonic Integration Antonio Jurado-Navas/, University of Malaga

      Paper
    9:30 - 9:30
    Characterization of response function for simulating LiDAR signal in scattering medium (JW2A.39)
    Presenter: Jeongkyun Na, Seoul National University

    We introduce a novel response function of the rays’ distribution and propose a simplified process to simulate the propagation of LiDAR signals. Based on the proposed method, we analyze the atmospheric propagation of LiDAR signals in various visibility conditions.

    Authors:Jeongkyun Na/Seoul National University Juhwan Kim/Seoul National University Yoonchan Jeong/Seoul National University

      Paper
    9:30 - 9:30
    Multi-View Image Enhancement for Attention-Guiding Autostereoscopic Display (JW2A.41)
    Presenter: Jian Wei, Jilin University

    We design a detail enhancement method for multi-view images. By using the co-occurrence statistics in spatial domain for an anchor view and in angular domain for the other views, it features saliency dependence, global consistency, and modest execution time. This achieves artifact-free autostereoscopic display capable of guiding viewers' attention.

    Authors:Jian Wei/Jilin University Shigang Wang/Jilin University Yan Zhao/Jilin University Meilan Piao/Jilin University Chenxi Song/Jilin University

      Paper
    9:30 - 9:30
    Outperformance of Linear-regression-based Methods over Deep Learning in Optical Imaging (JW2A.42)
    Presenter: Shuming Jiao, Shenzhen University

    Deep learning has been extensively applied in many optical imaging scenarios. But we show linear-regression-based methods may have certain outperformance in two black-box optical imaging problems that were originally solved by deep learning.

    Authors:Shuming Jiao/Shenzhen University Yang Gao/Shenzhen University Jun Feng/Shenzhen University Ting Lei/Shenzhen University Xiaocong Yuan/Shenzhen University

      Paper
    9:30 - 9:30
    Optical Machine Learning with Single-pixel Imaging (JW2A.43)
    Presenter: Shuming Jiao, Shenzhen University

    An optical learning machine is designed based on single-pixel imaging, which can perform pattern recognition full-optically without object image reconstruction. It has advantages of incoherent illumination, low experimental complexity and being programmable.

    Authors:Shuming Jiao/Shenzhen University Jun Feng/Shenzhen University Yang Gao/Shenzhen University Ting Lei/Shenzhen University Zhenwei Xie/Shenzhen University Xiaocong Yuan/Shenzhen University

      Paper
    9:30 - 9:30
    Dynamic Laser Speckle Contrast Imaging Using Singular Value Decomposition (JW2A.44)
    Presenter: Rishikesh Kulkarni, Indian Institute of Technology Guwahati

    We propose an algorithm for dynamic speckle contrast imaging based on singular value decomposition. Singular values of a matrix generated with a stack of image patches are used to define correlation measure of corresponding patch.

    Authors:Rishikesh Kulkarni/Indian Institute of Technology Guwahati Earu Banoth/TCS Research and Innovation Parama Pal/TCS Research and Innovation

      Paper
    9:30 - 9:30
    Full-color Holographic System featuring Multiple Point Cloud Gridding and Parallel Computing for Representation of Real 3D Objects (JW2A.45)
    Presenter: Yu Zhao, Yangzhou University

    We propose multiple point cloud gridding and parallel computing methods to accelerate the full-color holographic system. Compared to conventional methods, the computational complexity is reduced. The feasibility of our method is confirmed numerically and optically.

    Authors:Yu Zhao/Yangzhou University Li-Ming Zhu/Yangzhou University Yan-Ling Piao/Chungbuk National University Nam Kim/Chungbuk National University

      Paper
    9:30 - 9:30
    Continuous phase-shifting holographic microscopy of micro-objects in turbid media (JW2A.46)
    Presenter: Georgy Kalenkov, Institute of Geosphere Dynamics (IDG RAS)

    The principal possibility of holographic registration of the micro-objects' diffraction wave fields that passed through a turbulent medium is shown. Continuous phase-shifting method allows calculating the complex field of an object with high accuracy in the presence of phase perturbations variable in time.

    Authors:Georgy Kalenkov/Institute of Geosphere Dynamics (IDG RAS)

      Paper
    9:30 - 9:30
    Tip-tilt system characterization as a tool for fiber coupling efficiency estimation (JW2A.47)
    Presenter: Marlies Gier, Fraunhofer Institute of Applied Optics and Precision Engineering

    The measured fiber coupling efficiency (FCE) in atmospheric laser communication is not fully explored. We experimentally study the FCE for tip-tilt aberrations. Finally, we explain the FCE with the tip-tilt phase response.

    Authors:Marlies Gier/Fraunhofer Institute of Applied Optics and Precision Engineering Aoife Brady/Fraunhofer Institute of Applied Optics and Precision Engineering Ramona Eberhardt/Fraunhofer Institute of Applied Optics and Precision Engineering Claudia Reinlein/Fraunhofer Institute of Applied Optics and Precision Engineering

      Paper
    9:30 - 9:30
    Wavefront distortions in an oscillating resonant galvanometric optical scanner (JW2A.48)
    Presenter: Vyas Akondi, Stanford University

    Dynamic distortions of a resonant galvanometric scanner were measured using a Shack-Hartmann wavefront sensor and a 680 nm modulated light source. We found wavefront RMS errors that reduce the Strehl ratio below the diffraction limit.

    Authors:Vyas Akondi/Stanford University Bartlomiej Kowalski/Stanford University Nripun Sredar/Stanford University Alfredo Dubra/Stanford University

      Paper

10:30 - 16:30 (UTC - 07:00)

    Braindate – A new way to network - Wednesday 1


11:00 - 12:15 (UTC - 07:00)

    Sensing in Aqueous Environment (EW3H)
    Presider: Boris Mizaikoff, Universitat Ulm

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    11:00 - 11:30
    Detecting Old Ocean’s Methane Using Optical Fibre Sensors (EW3H.1)
    Presenter: Rand Ismaeel, University of Southampton

    To be provided

    Authors:Rand Ismaeel/University of Southampton


    Invited
    11:30 - 11:45
    Laser-based Sensing in Aqueous Environments (EW3H.2)
    Presenter: Anna Michel, WHOI

    Oceanography will benefit from in situ sensors capable of measuring greenhouses gases in environments from the deep ocean to the Arctic. We share results of coupling gas extraction techniques to infrared spectrometers in these environments.

    Authors:Anna Michel/WHOI


    Invited
    11:45 - 12:00
    Direct and Fast Detection of Trace Selenium in Water by Laser-Induced Breakdown Spectroscopy and by Laser-Ablation-Assisted Laser-Induced Fluorescence (EW3H.3)
    Presenter: Elton Soares de Lima Filho, National Research Council Canada

    Direct and fast detection of trace selenium in water, without any form of pre-concentration, is demonstrated. Laser-induced breakdown spectroscopy and laser-ablation-assisted laser-induced fluorescence are used, achieving limits-of-detection down to 56 ppm and 315 ppb, respectively.

    Authors:Elton Soares de Lima Filho/National Research Council Canada Aïssa Harhira/National Research Council Canada Josette El Haddad/National Research Council Canada Paul Bouchard/National Research Council Canada Mohamad Sabsabi/National Research Council Canada Alain Blouin/National Research Council Canada Guy Lamouche/National Research Council Canada

      Paper
    12:00 - 12:15
    Smartphone sensing of multiple heavy metal ion contaminants in drinking water (EW3H.4)
    Presenter: Wei-Chuan Shih, University of Houston

    We report an array-based smartphone sensor for multiplex detection and quantitation of lead and mercury ions in drinking water without the addition of any solution reagent. The detection limits for lead and mercury are below EPA action levels at 15 ppb and 2 ppb, respectively.

    Authors:Wei-Chuan Shih/University of Houston

      Paper

11:00 - 12:30 (UTC - 07:00)

    Atmospheric and Environmental Sensing Development and Application II (LW3E)
    Presider: Johannes Kiefer, Universitat Bremen

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    11:00 - 11:30
    Interband Cascade Lasers in the 3-6 Micron Wavelengths Range for Gas Sensing Applications (LW3E.1)
    Presenter: Johannes Koeth, Nanoplus Nanosystems and Tech GmbH

    Abstract not available.

    Authors:Johannes Koeth/Nanoplus Nanosystems and Tech GmbH


    Invited
    11:30 - 11:45
    Widely Tunable Single-Mode Mid-Infrared Interband Cascade Lasers (LW3E.2)
    Presenter: Rui Yang, University of Oklahoma

    We report the first demonstration of widely tunable single-mode mid-infrared interband cascade lasers based on a V-coupled cavity. The obtained wavelength tuning range is 60 nm with a side-mode suppression ratio (SMSR) over 20dB.

    Authors:HANTING YANG/Zhejiang University Jingli Gong/Zhejiang University Jian-Jun He/Zhejiang University Rui Yang/University of Oklahoma

      Paper
    11:45 - 12:00
    Broad tunable ECDL concept based on a MEMS device for the NIR and MIR spectral regime (LW3E.3)
    Presenter: Morten Hoppe, Sacher Lasertechnik GmbH

    A wide and ultrafast tunable ECDL concept based on a MEMS device for the NIR and MIR spectral regime is presented. Results of laser performance, the possibility of ultra-fast tuning and application examples are shown.

    Authors:Morten Hoppe/Sacher Lasertechnik GmbH Hanna Rohling/Sacher Lasertechnik GmbH Sebastian Schmidtmann/Sensor Photonics GmbH Herve Tatenguem/Sacher Lasertechnik GmbH Jan Grahmann/Fraunhofer-Institut für Photonische Mikrosysteme IPMS Tobias Milde/Sacher Lasertechnik GmbH Thomas Schanze/Technische Hochschule Mittelhessen (THM) – Institut für Biomedizinische Technik (IBMT) Joachim Sacher/Sacher Lasertechnik GmbH

      Paper
    12:00 - 12:15
    GaSb Lasers in the spectral regime from 1.9 µm to 3 µm for molecular spectroscopy (LW3E.4)
    Presenter: Martin Honsberg, Sensor Photonics GmbH

    10 GaSb based wafers for covering the wavelength regime from 1.9 µm to 3 µm were realized. We report on the test, performance and applications-results in gas spectroscopy with ECDL and D-DFB lasers.

    Authors:Martin Honsberg/Sensor Photonics GmbH Tobias Milde/Sacher Lasertechnik GmbH Sebastian Schmidtmann/Sensor Photonics GmbH Morten Hoppe/Sacher Lasertechnik GmbH Joachim Sacher/Sacher Lasertechnik GmbH

      Paper
    12:15 - 12:30
    LWIR Dual-Comb System for Time-Resolved Spectral Analysis (LW3E.5)
    Presenter: Ryan Rhoades, University of Arizona

    We present an all-fiber coherent dual-comb system suitable to perform time-resolved spectroscopy measurements in the long-wave infrared.

    Authors:Ryan Rhoades/University of Arizona Caroline Lecaplain/University of Arizona Mark Phillips/University of Arizona Peter Schunemann/BAE systems R Jones/University of Arizona

      Paper

    Sensors I (SW3F)
    Presider: Paul Pellegrino, US Army Research Laboratory

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    11:00 - 11:15
    A Design Methodology for Resonant Sensors based on Subwavelength Grating Waveguides at 1.31 μm (SW3F.1)
    Presenter: Carlos Pérez-Armenta, University of Málaga

    We provide a family of sensitivity curves for the design of resonant evanescent field sensors based on subwavelength grating waveguides. Using these curves, a novel Bragg sensor at 1.31μm is proposed achieving a sensitivity of 500nm/RIU.

    Authors:Carlos Pérez-Armenta/University of Málaga Jiri Ctyroky/Institute of Photonics and Electronics Pavel Cheben/National Research Council Jens Schmid/National Research Council Alejandro Ortega-Moñux/University of Málaga Robert Halir/University of Málaga Iñigo Molina-Fernández/University of Málaga J. Gonzalo Wangüemert-Pérez/University of Málaga

      Paper
    11:15 - 11:30
    Integration of IR Fiber Optics and Microfluidics for Sensing Applications (SW3F.2)
    Presenter: Tanya Hutter, University of Texas at Austin

    The combination of IR spectroscopy and microfluidics is a powerful tool which provides unique chemical monitoring capabilities. In this work, integrated devices of different specifications were developed and tested for continuous monitoring in aqueous solutions.

    Authors:Farah Alimagham/University of Cambridge Tanya Hutter/University of Texas at Austin

      Paper
    11:30 - 11:45
    (Withdrawn) Fabry-Pérot cavity on reflective substrate for mid-infrared molecular sensing (SW3F.3)
    Presenter: Osamu Takayama, DTU-Fotonik

    We show the enhancement of infrared light absorption by analyte layer on grating structures on gold substrate for mid-infrared wavelengths. The enhanced light absorption is realized by Fabry-Pérot modes in the graing on reflective surface.

    Authors:Dewang Huo/DTU-Fotonik Leonid Beliaev/DTU-Fotonik Larissa Vertchenko/DTU-Fotonik Evgeniy Shkondin/DTU Nanolab Osamu Takayama/DTU-Fotonik Radu Malureanu/DTU-Fotonik Andrei Lavrinenko/DTU-Fotonik

    11:45 - 12:15
    Optical Sensing and Optomechanics in Liquid Droplets (SW3F.4)
    Presenter: Gianluca Gagliardi, Istituto Nazionale di Ottica

    We show that droplet resonators enable direct liquid sensing via cavity-enhanced spectroscopy. Also, we prove the feasibility of all-liquid micro-mechanical oscillators in the hundreds MHz range for viscous-elastic characterization and mass sensing of nanoliter samples

    Authors:Gianluca Gagliardi/Istituto Nazionale di Ottica


    Invited
      Paper
    12:15 - 12:30
    A Cavity-Enhanced Sensor for Benzene Detection (SW3F.5)
    Presenter: Mhanna Mhanna, KAUST

    A DFB-ICL near 3.3 µm was utilized to develop a laser sensor for trace detection of benzene. Cavity-enhanced absorption spectroscopy enabled a minimum detection limit of 2 ppb in 6 seconds integration at room conditions.

    Authors:Mhanna Mhanna/KAUST Guangle Zhang/KAUST Noushad Kunnummal/Saudi Aramco Aamir Farooq/KAUST

      Paper

    Turbulence and AO II (Joint pcAOP and AO) (JW3G)
    Presider: Sukanta Basu, Technische Universiteit Delft

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    11:00 - 11:30
    Wavefront Sensing over a 4,000 m aperture: Challenges for the Breakthrough Starshot Drive Laser (JW3G.1)
    Presenter: Michael Hart, University of Arizona

    The Breakthrough Starshot initiative plans to launch ultra-lightweight nanocraft to Proxima Centauri at 0.2c propelled by a high-power laser. The projector’s 4 km aperture will require AO pre-correction. We discuss challenges and suggest possible solutions.

    Authors:Michael Hart/University of Arizona Matthew R. Noyes/University of Arizona Joseph A. Rice/University of Arizona Kade W. Bowers/University of Arizona Ryan J. Luder/University of Arizona Eric W. Mitchell/University of Arizona


    Invited
    11:30 - 11:45
    (Withdrawn) Are we really measuring C2n? (JW3G.2)
    Presenter: Dario Perez, P. Universidad Catolica de Valparaiso

    The Obukhov-Kolmogorov theory has provided us with the well-known $-11/3$-power spectrum; which is assumed a valid model for the whole atmosphere. We show that this is a rare occurrence just above the ocean, and we need to re-evaluate the physical meaning of $C^2_n$: a new constant is required to asses the strength of the optical turbulence.

    Authors:Dario Perez/P. Universidad Catolica de Valparaiso Marco Sepulveda/P. Universidad Catolica de Valparaiso Felipe Olivares/P. Universidad Catolica de Valparaiso David Ortiz-Suslow/Naval Postgraduate School Ryan Yamaguchi/Naval Postgraduate School Qing Wang/Naval Postgraduate School

    11:45 - 12:00
    Dome Seeing Measurements at the Isaac Newton Telescope (JW3G.3)
    Presenter: Szymon Gladysz, Fraunhofer IOSB

    We report on results of the field trial carried out in the dome of the 2.5 m Isaac Newton Telescope on the island of La Palma (Canary Islands, Spain). The goal of the trial was to characterize optical turbulence in the confined space of the observatory.

    Authors:Szymon Gladysz/Fraunhofer IOSB Andrew Lambert/UNSW Canberra Thomas Kociok/Fraunhofer IOSB Detlev Sprung/Fraunhofer IOSB Erik Sucher/Fraunhofer IOSB

      Paper
    12:00 - 12:15
    Holographic Modal Wavefront Sensor Performance in Imaging Systems with Annular Pupils (JW3G.4)
    Presenter: Fanpeng Kong, University of New South Wales

    We analyzed the performance of holographic modal wavefront sensor in imaging systems with annular pupils. Comparison of wavefront sensing error by using both integral intensity and weighted average intensity for the reconstructed spots is given.

    Authors:Fanpeng Kong/University of New South Wales Andrew Lambert/University of New South Wales

      Paper
    12:15 - 12:30
    Real-time 1.5 kHz adaptive optical to correct for atmospheric turbulence. (JW3G.5)
    Presenter: Alexis Kudryashov, Institute of Geosphere Dynamics

    Experiments and numerical simulations of the phase correction of laser beam turbulent distortions have been carried out by using the adaptive optical system with the bandwidth of 1500 Hz.

    Authors:Alexis Kudryashov/Institute of Geosphere Dynamics Alexey Rukosuev/Institute of Geosphere Dynamics Alexander Nikitin/AKAoptics SAS Ilya Galaktionov/Institute of Geosphere Dynamics Julia Sheldakova/Institute of Geosphere Dynamics

      Paper

    Agriphotonics: Empowering Farms with Spectroscopic Tools (AW3I)
    Presider: Krishnan Parameswaran, Analog Devices Inc.

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    11:00 - 11:30
    FarmBeats: Empowering Farmers with Affordable Digital Agriculture Solutions (AW3I.1)
    Presenter: Ranveer Chandra, Microsoft Corp.

    Abstract not available.

    Authors:Ranveer Chandra/Microsoft Corp.


    Invited
    11:30 - 12:00
    Engineering the Sun: From Solar Simulators to Intelligent Agricultural Lighting (AW3I.2)
    Presenter: Michael Taschuk, University of Alberta

    Abstract not available.

    Authors:Michael Taschuk/University of Alberta


    Invited
    12:00 - 12:30
    (Withdrawn) Securing the Future of Remote Sensing Technologies in Agriculture (AW3I.3)
    Presenter: Ray Asebedo, Topcon Agriculture

    Abstract not available.

    Authors:Ray Asebedo/Topcon Agriculture


    Invited

    Pupil Engineering (CW3B)
    Presider: Seung-Whan Bahk, University of Rochester

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    11:00 - 11:30
    Engineering the Pupil: From Focus-free Cameras to 3D Microscopy (CW3B.1)
    Presenter: Andrew Harvey, University of Glasgow

    Computational imaging with engineered pupil functions has been plagued by image artefacts. We discuss solutions to this problem that yield snapshot 3D imaging and localisation microscopy with the highest reported voxel count.

    Authors:Andrew Harvey/University of Glasgow Guillem Carles/University of Glasgow Michael Handley/University of Glasgow Jonathan Taylor/University of Glasgow Paul Zammit/University of Glasgow Yongzhuang Zhou/University of Glasgow Vytautas Zickus/University of Glasgow


    Invited
      Paper
    11:30 - 11:45
    Extended depth-of-field lensless camera using a radial amplitude mask (CW3B.2)
    Presenter: Tomoya Nakamura, Tokyo Institute of Technology

    We propose a novel lensless camera equipping a radial amplitude mask for realizing extended depth-of-field imaging. Here we report simulation results of depth invariant point spread function and extended depth-of-field imaging.

    Authors:Tomoya Nakamura/Tokyo Institute of Technology Shunsuke Igarashi/Tokyo Institute of Technology Shiho Torashima/Tokyo Institute of Technology Masahiro Yamaguchi/Tokyo Institute of Technology

      Paper
    11:45 - 12:00
    Snapshot multi-PSF 3D single-molecule localization microscopy using deep learning (CW3B.3)
    Presenter: Hayato Ikoma, Stanford University

    We propose a neural point spread function (PSF) engineering approach for 3D single-molecule localization microscopy. Our approach jointly optimizes the PSFs of multiple optical paths in a microscope with a differentiable localization algorithm.

    Authors:Hayato Ikoma/Stanford University Yifan Peng/Stanford University Michael Broxton/Stanford University Gordon Wetzstein/Stanford University

      Paper
    12:00 - 12:15
    Robust Feature Detection using Pupil Function Engineering (CW3B.4)
    Presenter: Paulo Silveira, Euclid Consulting

    We apply the FAST feature detection algorithm to images captured using imaging systems with engineered pupil functions, thereby experimentally demonstrating that computer vision and SLAM can benefit from the use of computational imaging.

    Authors:Paulo Silveira/Euclid Consulting Ram Narayanswamy/Teaq Innovations

      Paper
    12:15 - 12:30
    (Withdrawn) Point Spread Function Engineering Enables Video Rate 3D Traction Force Microscopy (CW3B.5)
    Presenter: Michael Handley, University of Glasgow

    Measurement of cellular tractions is important for, for example, engineering of artificial tissue. We propose the use of PSF-engineered localisation microscopy to achieve video rate measurements in large volumes with minimal sample light exposure.

    Authors:Michael Handley/University of Glasgow Andrew Harvey/University of Glasgow


    Digital Holographic Techniques for Bio-imaging II (HW3C)
    Presider: Myung Kim, University of South Florida

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    11:00 - 11:30
    Quantitative phase imaging and artificial intelligence: label-free 3D imaging, classification, and inference (HW3C.1)
    Presenter: YongKeun Park, Korea Advanced Inst of Science & Tech

    We exploit quantitative phase imaging (QPI) for label-free quantitative live-cell imaging of cells and tissues, and applied machine learning to classify cell types, segment cell/organelles boundaries, and molecular inference.

    Authors:YongKeun Park/Korea Advanced Inst of Science & Tech


    Invited
      Paper
    11:30 - 11:45
    Field-deployable, cost-effective holographic slide microscope: a 3D-printed prototype (HW3C.2)
    Presenter: Vittorio Bianco, Consiglio Nazionale delle Ricerche-ISASI

    Here we design a compact, portable and cost-effective holographic microscope based on the concept of holographic microscope slide. We developed a wavefront division holographic interferometer deployable for in-situ environmental monitoring and point-of care diagnostics

    Authors:Vittorio Bianco/Consiglio Nazionale delle Ricerche-ISASI Teresa Cacace/Consiglio Nazionale delle Ricerche-ISASI Biagio Mandracchia/Consiglio Nazionale delle Ricerche-ISASI Vito Pagliarulo/Consiglio Nazionale delle Ricerche-ISASI Emilia Oleandro/Consiglio Nazionale delle Ricerche-ISASI Melania Paturzo/Consiglio Nazionale delle Ricerche-ISASI Pietro Ferraro/Consiglio Nazionale delle Ricerche-ISASI

      Paper
    11:45 - 12:00
    Improving Spatial Resolution, Field of View and Phasecontrast of Plant Cells under Induced Dehydration by Space-time Digital Holography (HW3C.3)
    Presenter: Vittorio Bianco, Consiglio Nazionale delle Ricerche-ISASI

    Space-Time Digital Holography enhances resolution and Field-of-View by exploiting a synthetic aperture principle. We show that reversible induced dehydration of plant cells improves the phase-contrast too, and allows observing cytoplasmic circulation from space-time digital holograms.

    Authors:Vittorio Bianco/Consiglio Nazionale delle Ricerche-ISASI Zhe Wang/Consiglio Nazionale delle Ricerche-ISASI Yutong Cui/Beijing University of Technology Melania Paturzo/Consiglio Nazionale delle Ricerche-ISASI Pietro Ferraro/Consiglio Nazionale delle Ricerche-ISASI

      Paper
    12:00 - 12:15
    A combined digital-holographic microscope and light-field-fluorescence microscope for extant life searches (HW3C.4)
    Presenter: Gene Serabyn, Jet Propulsion Laboratory

    Searches for microbial life in our solar system’s Ocean Worlds can be carried out with volumetric microscopy techniques. A prototype microscope combining a digital holographic microscope with a light-field fluorescence microscope has been demonstrated.

    Authors:Gene Serabyn/Jet Propulsion Laboratory taewoo kim/Caltech kurt liewer/Jet Propulsion Laboratory C. lindensmith/Jet Propulsion Laboratory K. wallace/Jet Propulsion Laboratory N oborny/Jet Propulsion Laboratory m bedrossian/Caltech S rider/Caltech j nadeau/PSU

      Paper
    12:15 - 12:30
    Iterative Talbot Self-Imaging Calibration for Sizing in Digital Lensless Holographic Microscopy (HW3C.5)
    Presenter: Carlos Buitrago, Universidad Nacional de Colombia

    A method to calibrate the length measurement for digital lensless holographic microscopy is presented. The method estimates the source-to-screen distance of the microscope using the Talbot self-imaging effect. The accuracy of the method is tested using a USAF-1951 target and a monolayer of polystyrene microspheres.

    Authors:Carlos Buitrago/Universidad Nacional de Colombia Jorge Garcia-Sucerquia/Universidad Nacional de Colombia

      Paper

    LIDAR/Remote Sensing (IW3D)
    Presider: Dale Linne von Berg, US Naval Research Laboratory

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    11:00 - 11:30
    Fisheye Imaging of Sky Polarization at the August 2017 Solar Eclipse (IW3D.1)
    Presenter: Joseph Shaw, Montana State University

    Abstract not available.

    Authors:Joseph Shaw/Montana State University


    Invited
      Paper
    11:30 - 12:00
    Fast Foveation for LIDARs, Projectors and Cameras (IW3D.2)
    Presenter: Sanjeev Koppal, University of Florida

    Animal eyes have fast mechanical movements that control how the scene is imaged in detail by the fovea, where visual acuity is highest. I will present cameras and algorithms that enable fast, foveated imaging. I will discuss examples of such cameras, LIDARs and projectors that utilize newly available, next generation micro-mechanical optics.

    Authors:Sanjeev Koppal/University of Florida


    Invited
      Paper
    12:00 - 12:15
    Motion-Tolerant Remote Respiration Monitoring with a Multi-Camera Configuration (IW3D.3)
    Presenter: Ryan Chu, University of Toronto

    We demonstrate a method of motion-tolerant respiratory rate monitoring using a multi-camera system. These cameras utilize depth visualization and are mounted around the subject. Results show successful isolation of the respiratory waveform from gross body motion and accurate estimation of respiratory rate.

    Authors:Ryan Chu/University of Toronto Dene Ringuette/University of Toronto Eric Zhu/University of Toronto Alex Mihailidis/University of Toronto Ofer Levi/University of Toronto

      Paper
    12:15 - 12:30
    Laser vibrometry through a scattering medium with a single-photon camera. (IW3D.4)
    Presenter: lucrezia cester, University of glasgow

    We detect sound from vibrations induced on a diffusing surface with a speckle-based laser vibrometer. Beyond previous work, vibrations are measured through a scattering medium with no speckle-memory effect, similar to thick, strongly diffusive media.

    Authors:lucrezia cester/University of glasgow Ashley Lyons/University of glasgow Ilya Starshynov/University of glasgow richard walker/Photon Force Ltd. ryan warburton/Photon Force Ltd. Daniele Faccio/University of glasgow

      Paper

    3D Display Systems I (DW3A)
    Presider: Hong Hua, University of Arizona

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    11:00 - 11:30
    Three-dimensional imaging diagnostics for plasmas with integral photography and deconvolution techniques (DW3A.1)
    Presenter: Akio Sanpei, Kyoto Institute of Technology

    An integral photography and deconvolution techniques have been applied to observe plasmas, i.e. continuous translucent luminous objects. We experimentally succeeded in distinguishing the three-dimensional distribution of them from a single-exposure image obtained from one direction.

    Authors:Akio Sanpei/Kyoto Institute of Technology Eisaku Kai/Kyoto Institute of Technology Haruhiko Himura/Kyoto Institute of Technology Yasuaki Hayashi/Kyoto Institute of Technology Sadao Masamune/Chubu University Satoshi Ohdachi/National Institute for Fusion Science Kazunobu Nagasaki/Kyoto University


    Invited
      Paper
    11:30 - 12:00
    Dense Parallax Image Acquisition using Single-Pixel Imaging for Three-Dimensional Imaging (DW3A.2)
    Presenter: Tetsuhiko Muroi, Japan Broadcasting Corporation (NHK)

    To acquire dense parallax images for three-dimensional imaging, we investigated single-pixel imaging applying to the pixels of the image sensor. We confirmed that dense parallax images in accordance with the pixel pitch could be obtained.

    Authors:Tetsuhiko Muroi/Japan Broadcasting Corporation (NHK) Ren Usami/The University of Electro-Communications Teruyoshi Nobukawa/Japan Broadcasting Corporation (NHK) Masato Miura/Japan Broadcasting Corporation (NHK) Eriko Watanabe/The University of Electro-Communications Norihiko Ishii/Japan Broadcasting Corporation (NHK)


    Invited
      Paper
    12:00 - 12:30
    Recent Advances in Computer-generated Holography (DW3A.3)
    Presenter: Gordon Wetzstein, Stanford University

    Holographic displays are a promising technology for 3D display as well as virtual and augmented reality. However, existing computer-gegnerated holography (CGH) algorithms are either fast or offer high image quality, but not both. In this talk, we discuss modern approaches to real-time, high-quality CGH with applications in VR/AR.

    Authors:Gordon Wetzstein/Stanford University


    Invited
      Paper

14:00 - 15:00 (UTC - 07:00)

    Sensors II (SW4F)
    Presider: Paul Pellegrino, US Army Research Laboratory

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    14:00 - 14:15
    Laser Doppler velocimeter applied to the measurement of the speed of rotation of a dispersing disk (SW4F.1)
    Presenter: Luis Mosquera, Universidad Nacional de Ingenieria

    A disk is driven to rotate, Doppler laser velocimetry is applied to measure the tangential velocity of points on the disk from the analysis of the originated burst Doppler signal.

    Authors:Luis San Martín/Universidad Nacional de Ingenieria Luis Mosquera/Universidad Nacional de Ingenieria Carmen Gorvenia/Universidad Nacional de Ingenieria

      Paper
    14:15 - 14:30
    Analysis of large bandwidths of Volume Phase grating and the derived equations of the bandwidths (SW4F.2)
    Presenter: Kaoru Nakajima, Japan Women's University

    To expand the bandwidths with high diffraction efficiency of volume phase gratings, the combination of the rectangular type of refractive index distribution and larger refractive index modulation in the Bragg diffraction regime is important.

    Authors:Kaoru Nakajima/Japan Women's University

      Paper
    14:30 - 14:45
    Guided-Mode Resonance Sensor Data Inversion for Bulk and Surface Variables (SW4F.3)
    Presenter: Joseph Buchanan-Vega, University of Texas at Arlington

    We determine the bulk index of a buffer and the surface index and thickness of an analyte. We use sensitivity data to calculate nominal variable changes and a lookup table for larger deviations.

    Authors:Joseph Buchanan-Vega/University of Texas at Arlington Mohammad Abdallah/University of Texas at Arlington Brett Wenner/Air Force Research Laboratory Jeffery Allen/Air Force Research Laboratory Monica Allen/Air Force Research Laboratory Robert Magnusson/University of Texas at Arlington

      Paper
    14:45 - 15:00
    (Withdrawn) Development of optoelectronic system for determining color of printed samples based on machine learning method (SW4F.4)
    Presenter: Branislav Batinic, Faculty of Technical Sciences

    Since the disadvantages of most colorimeters are inability of distinguishing metameric colors and inability of reconstructing spectrum, this paper presents an optoelectronic system that records reflections at certain wavelengths and performs estimation of visible spectrum.

    Authors:Branislav Batinic/Faculty of Technical Sciences Jovan Bajic/Faculty of Technical Sciences Milos Arbanas/Faculty of Technical Sciences Nikola Lakovic/Faculty of Technical Sciences Vladimir Rajs/Faculty of Technical Sciences Nenad Kulundzic/Faculty of Technical Sciences


14:00 - 15:30 (UTC - 07:00)

    Agriphotonics: Developing Technologies to go from the Lab to the Farm (Joint AIS and ES) (AW4I)
    Presider: Amartya Sengupta, Indian Institute of Technology Delhi

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    14:00 - 14:30
    Industrial Applications of THz Imaging: Plastics, Food Industry, Moisture Detection, and Additive Manufacturing (AW4I.1)
    Presenter: John Federici, New Jersey Institute of Technology

    While Terahertz imaging has shown promise, there have been relatively few implementations of Terahertz non-destructive evaluation in industry. Current industrial implementations of THz imaging are described as well as several highly promising applications.

    Authors:John Federici/New Jersey Institute of Technology Louis Rizzo/New Jersey Institute of Technology Alexander Clark/New Jersey Institute of Technology Christopher Bolton/New Jersey Institute of Technology Samuel Gatley/New Jersey Institute of Technology Ian Gatley/New Jersey Institute of Technology


    Invited
      Paper
    14:30 - 14:45
    Potential for Predicting Soil Properties Using Low Cost Near-Infrared Spectroscopy and Machine Learning (AW4I.2)
    Presenter: Wenbo Wang, Intellectual Ventures

    Using two public soil spectral libraries, we examined potential for low-cost near-infrared devices for in-field testing. Results showed strong promise with conventional neural networks, comparable to previously published results with deep learning.

    Authors:Wenbo Wang/Intellectual Ventures Liming Hu/Intellectual Ventures Benjamin Wilson/Intellectual Ventures Matthew Keller/Intellectual Ventures

      Paper
    14:45 - 15:00
    Portable Shifted Excitation Raman Difference Spectroscopy - From Laboratory Investigations to in-situ Agri-Photonics (AW4I.3)
    Presenter: Martin Maiwald, Ferdinand-Braun-Institut

    Portable shifted excitation Raman difference spectroscopy (SERDS) will be presented using one-chip dual-wavelength Y-branch DBR diode laser at 785 nm as excitation source. Experimental results from laboratory analysis and outdoor investigations will be shown.

    Authors:Martin Maiwald/Ferdinand-Braun-Institut Bernd Sumpf/Ferdinand-Braun-Institut

      Paper
    15:00 - 15:15
    Comparison of Livestock Emissions Measurements Using Open-Path Dual-Comb Spectroscopy and Closed-Path Cavity Ring-Down Spectroscopy (AW4I.4)
    Presenter: Brian Washburn, NIST

    Open-path dual-comb spectroscopy is used to quantify CO2, CH4, H2O and NH3 concentrations adjacent to a cattle feedlot. In all cases except NH3, the data is compared against closed-path cavity ring-down spectroscopy.

    Authors:Daniel Herman/NIST Chinthaka Weerasekara/Kansas State University Lindsay Hutcherson/Kansas State University Fabrizio Giorgetta/NIST Kevin Cossel/NIST Eleanor Waxman/NIST Gabriel Colacion/NIST Nathan Newbury/NIST Stephen Welch/Kansas State University Brett DePaola/Kansas State University Ian Coddington/NIST Eduardo Santos/Kansas State University Brian Washburn/NIST

      Paper
    15:15 - 15:30
    (Withdrawn) Detection of fungal pathogens in viticulture by laser-induced fluorescence: Design studies on infected potted vines (AW4I.5)
    Presenter: Christoph Kölbl, German Aerospace Center

    We show stages of development and first results of our laser based stand-off detection system. Here, laser-induced fluorescence spectroscopy is tailored for remote detection of typical leaf-borne symptoms provoked by fungal pathogens and classification of causal agents.

    Authors:Christoph Kölbl/German Aerospace Center Simon Klug/German Aerospace Center Jonas Grzesiak/German Aerospace Center Beate Berkelmann-Löhnertz/Hochschule Geisenheim University Moustafa Selim/Hochschule Geisenheim University Manuel Becker/Staatliche Lehr- und Versuchsanstalt für Wein- und Obstbau Frank Duschek/German Aerospace Center


    Design and Optimization in 3D Sensing and Imaging Systems (Joint COSI and 3D) (JW4A)
    Presider: Simon Thibault, Universite Laval

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    14:00 - 14:30
    Capabilities and Design Parameters for Volume Holographic Optical Elements in Imaging Systems (JW4A.1)
    Presenter: Raymond Kostuk, University of Arizona

    New forms of imaging modalities such as selective imaging and augmented reality eyewear, place special requirements on the optics used in these systems. This presentation reviews the properties of volume holographic materials for these applications.

    Authors:Raymond Kostuk/University of Arizona


    Invited
      Paper
    14:30 - 15:00
    Optimization Methods for 3D and 4D Space-Time Reconstruction in Imaging (JW4A.2)
    Presenter: Wolfgang Heidrich, King Abdullah University of Science & Tech

    4D inverse problems in imaging are historically solved independently per time step. Recent advances in joint 4D reconstruction allow for significantly improved results especially when the 3D problem is very ill-posed. The methods are broadly applicable to tomography, fluid
    imaging, and many other imaging problems.

    Authors:Wolfgang Heidrich/King Abdullah University of Science & Tech


    Invited
      Paper
    15:00 - 15:30
    Phase-coded Computational Imaging for Near-eye Displays (JW4A.3)
    Presenter: Atanas Gotchev, Tampereen Teknillinen Yliopisto

    We present a computational imaging framework aimed at alleviating the accommodation-vergence conflict in near-eye displays. Inspired by computational cameras, it combines and co-optimizes a diffractive optical element with a pre-processing module based on convolutional neural network.

    Authors:Atanas Gotchev/Tampereen Teknillinen Yliopisto


    Invited

14:00 - 16:00 (UTC - 07:00)

    Combustion and Flow Diagnostics I (LW4E)
    Presider: Waruna Kulatilaka, Texas A&M University

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    14:00 - 14:30
    From Wind Tunnels to Flight Vehicles: Visualization and quantitative measurements supporting NASA’s space program (LW4E.1)
    Presenter: Jennifer Inman, NASA Langley Research Center

    NASA’s Space Launch System (SLS) and Orion Crew Module have been studied in wind tunnels using the planar laser-induced fluorescence (PLIF) technique for flow visualization and quantitative thermometry and in flight using high-resolution imagery and quantitative infrared surface heating measurements. This paper reviews both types of measurements.

    Authors:Jennifer Inman/NASA Langley Research Center Paul Danehy/NASA Langley Research Center


    Invited
      Paper
    14:30 - 15:00
    Ultrasensitive Diagnostics in Combustion Environments: Progress and Trends in Intracavity Absorption Spectroscopy (LW4E.2)
    Presenter: Peter Fjodorow, University of Duisburg-Essen

    Since first proposal in 1970, intracavity absorption spectroscopy (ICAS) has matured into a powerful diagnostics technique. This talk will review several recent ICAS applications to combustion diagnostics based on home-made broadband crystal, fiber and dye lasers. In addition, promising directions for future developments in ICAS will be sketched.

    Authors:Peter Fjodorow/University of Duisburg-Essen


    Invited
      Paper
    15:00 - 15:15
    Combining Laser-induced Breakdown Spectroscopy (LIBS) and Particle Imaging Velocimetry (PIV) for Flame Diagnostics (LW4E.3)
    Presenter: Johannes Kiefer, Universitat Bremen

    We present quasi-simultaneous laser-induced breakdown spectroscopy (LIBS) and particle imaging velocimetry (PIV) for studying reacting flows. This allows a point measurement of the equivalence ratio and determining the flow field at the same time.

    Authors:Johannes Kiefer/Universitat Bremen Christoph Vanselow/Universitat Bremen Andreas Fischer/Universitat Bremen

      Paper
    15:15 - 15:30
    Assessment of Camera-Based 2D Phosphor Surface Thermometry in a Gas Turbine Model Combustor (LW4E.4)
    Presenter: Christoph Arndt, German Aerospace Center (DLR)

    2D phosphor thermometry for wall temperature measurements in a gas turbine model combustor is experimentally assessed. Temperature-dependent and spatially resolved decay times were recorded using a high-speed CMOS camera and the measurement accuracy is discussed.

    Authors:Christoph Arndt/German Aerospace Center (DLR) Patrick Nau/German Aerospace Center (DLR) Wolfgang Meier/German Aerospace Center (DLR)

      Paper
    15:30 - 16:00
    (Withdrawn) Deep Learning in Laser Diagnostics of Combustion (LW4E.5)
    Presenter: Xue Dong, Shanghai Jiao Tong University

    Abstract not available.

    Authors:Xue Dong/Shanghai Jiao Tong University


    Invited

    Mid-IR Lasers and Sensors (EW4H)
    Presider: Lukas Emmenegger, EMPA

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    14:00 - 14:30
    Laser spectrometers for in situ planetary science and spacecraft environmental monitoring (EW4H.1)
    Presenter: Ryan Briggs, Jet Propulsion Laboratory

    We report on several recent efforts to develop laser spectrometer instruments to study planetary atmospheres and support human spaceflight operations. This includes the Tunable Laser Spectrometer on the Mars Curiosity rover, development of an instrument to study the atmosphere of Venus, and a multichannel spectrometer for spacecraft fire safety.

    Authors:Ryan Briggs/Jet Propulsion Laboratory


    Invited
    14:30 - 15:00
    Optical gas standards for reactive gas species concentration measurements based on dTDLAS (EW4H.2)
    Presenter: Javis Nwaboh, Physikalisch-Technische Bundesanstalt

    To complement gaseous certified reference material (CRM) used as calibration gas mixtures, we report on dTDLAS-based Optical Gas Standards (‘OGS’) for absolute (“calibration free”) concentration measurement of gas species like, e.g., H2O, CO, HCl, NO2, reporting excellent agreements between dTDLAS results and CRM values.

    Authors:Javis Nwaboh/Physikalisch-Technische Bundesanstalt Zhechao Qu/Physikalisch-Technische Bundesanstalt Olav Werhahn/Physikalisch-Technische Bundesanstalt Volker Ebert/Physikalisch-Technische Bundesanstalt


    Invited
      Paper
    15:00 - 15:15
    Ultrashort pulses from an 8 μm wavelength semiconductor laser (EW4H.3)
    Presenter: Johannes Hillbrand, TU Wien

    The ultrafast carrier transport in mid-infrared QCLs has so far constituted a seemingly insurmountable obstacle for the formation of short pulses. Here, we demonstrate transformation-limited picosecond pulses generated by 8 μm wavelength QCLs at room-temperature.

    Authors:Johannes Hillbrand/TU Wien Nikola Opacak/TU Wien Marco Piccardo/Harvard University Harald Schneider/Helmholtz-Zentrum Dresden-Rossendorf Gottfried Strasser/TU Wien Federico Capasso/Harvard University Benedikt Schwarz/TU Wien

      Paper
    15:15 - 15:30
    Cavity length dependence of a metasurface quantum-cascade laser with electrically switchable polarization (EW4H.4)
    Presenter: Anthony Kim, UCLA

    Polarization switchable terahertz quantum-cascade lasers are candidate sources for polarimetric terahertz imaging and sensing as their output polarization can be switched electrically without moving parts. We report on the importance of the external cavity on the spectral properties and polarization purity for a metasurface quantum-cascade VECSEL.

    Authors:Anthony Kim/UCLA Luyao Xu/UCLA Christopher Curwen/UCLA Daguan Chen/UCLA John Reno/Sandia National Laboratories Benjamin Williams/UCLA

      Paper
    15:30 - 15:45
    In-Situ Gases Monitoring Using Mid-infrared Gradient Bragg Grating Cavities (EW4H.5)
    Presenter: Pao Lin, Texas A&M University

    In-Situ gas analysis were illustrated by using mid-Infrared (mid-IR) gradient Bragg grating cavities. Gas mixtures were noninvasively monitored by tracing the characteristic gas absorption bands with algorithmic analysis.

    Authors:Pao Lin/Texas A&M University

      Paper
    15:45 - 16:00
    (Withdrawn) Broadband antireflection structures on synthetic diamond for MIR and FIR spectral regions (EW4H.6)
    Presenter: Thomas Flügel-Paul, Fraunhofer Institute for Applied Optics and Precision Engineering

    We report on deep deterministic microstructures etched into the surface of synthetic diamond working as anti-reflection layer. The AR-functionality is achieved in an operational range covering several octaves, i.e. from 6.25µm to 100µm.

    Authors:Thomas Flügel-Paul/Fraunhofer Institute for Applied Optics and Precision Engineering Susann Sadlowski/Fraunhofer Institute for Applied Optics and Precision Engineering Thomas Käsebier/Friedrich-Schiller-Universität Jena Sabrina Wolleb/Fraunhofer Institute for Applied Optics and Precision Engineering Frank Burmeister/Fraunhofer Institute for Applied Optics and Precision Engineering Martin Heusinger/Friedrich-Schiller-Universität Jena Uwe Zeitner/Fraunhofer Institute for Applied Optics and Precision Engineering


    Turbulence and AO III (Joint pcAOP and AO) (JW4G)
    Presider: Mark Spencer, Air Force Research Laboratory

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    14:00 - 14:30
    Adaptive optics for satellite to ground laser communication (JW4G.1)
    Presenter: Lewis Roberts, Jet Propulsion Laboratory, California Institute of Technology

    Adaptive optics enables higher data rates for satellite laser communication. It has recently been demonstrated and several future missions will use AO. There are challenges that AO needs to address to be widely used.

    Authors:Lewis Roberts/Jet Propulsion Laboratory, California Institute of Technology


    Invited
      Paper
    14:30 - 15:00
    An Overview of Turbulence Mitigation Techniques for Optical GEO FEEDER Links at ONERA (JW4G.2)
    Presenter: Aurelie Montmerle Bonnefois, Office Natl d'Etudes Rech Aerospatiales

    This paper provides an overview of ONERA's latest achievement regarding adaptive optics precompensation. Focusing on the FEEDELIO experiment and on ONERA’s future ground station FEELINGS, it also presents elements of comparison with multi-transmitter mitigation techniques.

    Authors:Aurelie Montmerle Bonnefois/Office Natl d'Etudes Rech Aerospatiales


    Invited
    15:00 - 15:15
    Atmospheric Experiments over a 7.2-km Free-Space Path (JW4G.3)
    Presenter: Andrew Lambert, UNSW Canberra

    We have designed and built a transmitter and a receiver positioned at two ends of a 7.2-km free-space path. Path height is 20-30 m above the terrain with slant differential of ~20 m over the entire distance. The link, operating at the 1550 nm wavelength is producing first measurements.

    Authors:Andrew Lambert/UNSW Canberra Simone Carpenter/Fraunhofer IOSB Raphaël Bellossi/Fraunhofer IOSB Karin Stein/Fraunhofer IOSB Marc Eichhorn/Fraunhofer IOSB Szymon Gladysz/Fraunhofer IOSB

      Paper
    15:15 - 15:30
    Mitigation of extreme turbulence effects using target-in-the-loop coherent beam combining (JW4G.4)
    Presenter: Daniel Golubchik, Rafael

    Coherent combining of 32 laser beams in target-in-the-loop configuration is presented. We report order of magnitude intensity increase and significant scintillation mitigation for long-distance (13 km) and high-turbulence experiments

    Authors:Daniel Golubchik/Rafael

      Paper
    15:30 - 15:45
    Adaptive optics control with predictive controllers based on frozen-flow models for Low-Earth Orbit satellite tracking (JW4G.5)
    Presenter: Léonard Prengère, Laboratoire Charles Fabry

    We evaluate the performance of LQG controllers built on autoregressive dynamical models of order 2 in the case of Low Earth Orbit satellite tracking case. End-to-end simulations have shown impressive performance improvement with respect to the standard integral action regulator. Robustness results to errors on wind profile prior are also presented.

    Authors:Léonard Prengère/Laboratoire Charles Fabry Caroline Kulcsar/Laboratoire Charles Fabry Henri-François Raynaud/Laboratoire Charles Fabry

      Paper
    15:45 - 16:00
    Deep Learning for Turbulence-tolerant Wavefront Reconstruction of Shack-Hartmann Wavefront Sensors (JW4G.6)
    Presenter: Theodore DuBose, Naval Research Laboratory

    Shack-Hartmann wavefront sensors are limited in turbulence by non-uniform illumination and branch points. We describe the Intensity/Slopes Network (ISNet), which reconstructs wavefronts from intensity and slope information, and demonstrate that it improves performance in turbulence.

    Authors:Theodore DuBose/Naval Research Laboratory Dennis Gardner/Naval Research Laboratory Abbie Watnik/Naval Research Laboratory

      Paper

    Compressive Imaging (CW4B)
    Presider: Figen Oktem, Middle East Technical University (METU)

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    14:00 - 14:30
    Coded-exposure-pixel Image Sensors (CW4B.1)
    Presenter: Roman Genov, University of Toronto

    Our cameras sort photogenerated charge among several in-pixel storage nodes, multiple times per frame. In conjunction with concurrently coded illumination, this enables a wide range of new coded multi-exposure single-readout-frame active imaging capabilities at video rates.

    Authors:Roman Genov/University of Toronto


    Invited
    14:30 - 14:45
    Compressive Rolling Shutter Camera Array (CW4B.2)
    Presenter: Felipe Guzmán, P. Universidad Católica de Valparaíso

    We propose a CMOS-camera array architecture exploiting rolling shutter diversity to generate a compressive forward model that can increase the temporal resolution of the sensed data.

    Authors:Felipe Guzmán/P. Universidad Católica de Valparaíso Esteban Vera/P. Universidad Católica de Valparaíso

      Paper
    14:45 - 15:00
    A Deep Learning Approach for Reconstruction in Temporal Compressed Imaging (CW4B.3)
    Presenter: Linxia Zhang, Beijing Institute of Technology

    We discuss a deep network for temporal compressed imaging. The data collected by an experimental platform are used for training and testing. Spatial variant point spread functions are calibrated for reconstruction.

    Authors:Linxia Zhang/Beijing Institute of Technology Jun Ke/Beijing Institute of Technology Edmund Lam/Pokfulam, Hong Kong

      Paper
    15:00 - 15:15
    Model-based Inversion Methods for Compressive Spectral Imaging with Diffractive Lenses (CW4B.4)
    Presenter: Figen Oktem, METU

    We develop novel model-based inversion methods for compressive spectral imaging with diffractive lenses. These fast image reconstruction methods, exploiting data-adaptive convolutional dictionaries and sparsifying transforms, are applicable to any computational imaging problem with convolutional models.

    Authors:Didem DOGAN/METU Figen Oktem/METU

      Paper
    15:15 - 15:30
    Compressed Sensing 3D Fluorescence Microscopy Using Optimized Phase Mask (CW4B.5)
    Presenter: Kyrollos Yanny, UC Berkeley

    We demonstrate a single-shot miniature 3D computational microscope with an optimized phase encoder. Our method uses sparsity-based reconstruction to achieve a 2.76μm lateral and 15μm axial resolution across most of the 900×700×390μm3 volume.

    Authors:Kyrollos Yanny/UC Berkeley Nick Antipa/UC Berkeley William Liberti/UC Berkeley Sam Dehaeck/Université libre de Bruxelles (ULB) Kristina Monakhova/UC Berkeley Fanglin Liu/UC Berkeley konlin shen/UC Berkeley Ren Ng/UC Berkeley Laura Waller/UC Berkeley

      Paper
    15:30 - 15:45
    Demonstration of a Compressive Hyperspectral Image Fusion Optical Imager (CW4B.6)
    Presenter: Hoover Rueda, Universidad Industrial de Santander

    We report on the design of a computational imaging framework that includes an optical testbed and a convex algorithm formulation to fuse hyperspectral images from compressed measurements.

    Authors:Hoover Rueda/Universidad Industrial de Santander Fernando Rojas/Universidad Industrial de Santander Daniel Molina/Universidad Industrial de Santander Henry Arguello/Universidad Industrial de Santander

      Paper
    15:45 - 16:00
    (Withdrawn) Modulation Optimization of Ghost Imaging based on Group-based Sparse Representation (CW4B.7)
    Presenter: Dongyue Yang, School of Electronic Engineering

    When regarding image to be sparsely represented by groups, we propose a novel modulation method in ghost imaging to achieve high sampling efficiency and image quality. Simulation results performs the advantage of this method.

    Authors:Dongyue Yang/School of Electronic Engineering guohua wu/School of Electronic Engineering Chen Chang/School of Electronic Engineering bin luo/Beijing University of Posts and Telecommunications longfei yin/School of Electronic Engineering


    Digital Holographic Techniques for Bio-imaging III (HW4C)
    Presider: Yunlong Sheng, Universite Laval

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    14:00 - 15:00
    Super resolution and imaging through scattering medium via digital holography and quantitative phase imaging (HW4C.1)
    Presenter: Zeev Zalevsky, Bar-Ilan University

    I review usage of phase information in super resolved imaging, specifically several temporally and spatially multiplexed synthetic aperture schemes will be presented and discussed. Usage of digital holography and first arriving light approaches will be explored in context of super resolution and of imaging via scattering medium.
    Zeev Zalevsky received his B.Sc. and direct Ph.D. degrees in electrical engineering from Tel-Aviv University in 1993 and 1996 respectively. Zeev is currently a full Professor and the Dean of the faculty of engineering in Bar-Ilan University, Israel. His major fields of research are optical super resolution, biomedical optics and nano-photonics. Zeev has published more than 800 papers, 9 books and about 100 patents. He is a fellow of many large scientific societies such as SPIE, OSA, IEEE, EOS, IOP, IET, IS&T, NAI.

    Authors:Zeev Zalevsky/Bar-Ilan University


    Tutorial
    15:00 - 15:15
    (Withdrawn) Quantitative measurement of the cell-to-substrate separation distance by integrating surface plasmon resonance with digital holographic microscopy (HW4C.2)
    Presenter: Siqing Dai, Northwestern Polytechnical University

    The reflection phase shift difference in the objective-coupling SPR configuration is experimentally measured in order to quantitatively characterize the cell-to-substrate separation distance by combing surface plasmon resonance with the digital holographic microscopy.

    Authors:Siqing Dai/Northwestern Polytechnical University Jianglei Di/Northwestern Polytechnical University Jiazhen Dou/Northwestern Polytechnical University Jianlin Zhao/Northwestern Polytechnical University

    15:15 - 15:30
    Label-Free Phenotyping of Human Cells with Multimodal Quantitative-Phase Digital Holographic Microscopy: Towards the Identification of New Cellular Biomarkers of Diseases (HW4C.3)
    Presenter: Erik Bélanger, CERVO Brain Research Centre

    We demonstrate label-free cell phenotyping by measuring various biophysical parameters with a multimodal imaging system based on quantitative-phase digital holographic microscopy. Different developments allowing the monitoring, in various paradigms, of specific biophysical parameters are presented.

    Authors:Erik Bélanger/CERVO Brain Research Centre Émile Rioux-Pellerin/CERVO Brain Research Centre Céline Larivière-Loiselle/CERVO Brain Research Centre Pierre Beausoleil/CERVO Brain Research Centre Sara Mattar/CERVO Brain Research Centre Chloé Martel/CERVO Brain Research Centre Marie-Eve Crochetière/CERVO Brain Research Centre Jean-Xavier Giroux/CERVO Brain Research Centre Pierre Marquet/CERVO Brain Research Centre

      Paper
    15:30 - 15:45
    Spatial Refractive Index Distribution and Glaucoma-related Tissue Density Alterations of the Retina Determined by Multi-Spectral Digital Holographic Microscopy (HW4C.4)
    Presenter: Björn Kemper, University of Muenster

    We explored the capabilities of quantitative phase imaging with multi-spectral digital holographic microscopy to determine the spatial refractive index distribution of the retina and glaucoma-related tissue density alterations.

    Authors:Björn Kemper/University of Muenster Alvaro Barroso/University of Muenster Steffi Ketelhut/University of Muenster Peter Heiduschka/University of Muenster Jürgen Schnekenburger/University of Muenster Gerburg Nettels-Hackert/University of Muenster

      Paper
    15:45 - 16:00
    Compact portable holographic microscope for cell and particle counting in microfuidics (HW4C.5)
    Presenter: Vittorio Bianco, Consiglio Nazionale delle Ricerche-ISASI

    We present and test a prototype of a compact, light in weight, cost effective and field portable off-axis DH microscope based on the concept of the Holographic Microscope Slide

    Authors:Andouglas Goncalves da Silva J./Federal University of Rio Grande do Norte Teresa Cacace/Consiglio Nazionale delle Ricerche-ISASI Vittorio Bianco/Consiglio Nazionale delle Ricerche-ISASI Melania Paturzo/Consiglio Nazionale delle Ricerche-ISASI Luis Marcos Goncalves/Federal University of Rio Grande do Norte Pierluigi Carcagnì/Consiglio Nazionale delle Ricerche-ISASI Cosimo Distante/Consiglio Nazionale delle Ricerche-ISASI Pietro Ferraro/Consiglio Nazionale delle Ricerche-ISASI

      Paper

    Computational Imaging (Joint COSI and IS) (JW4D)
    Presider: Antony Chan, California Institute of Technology

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    14:00 - 14:30
    DiffuserCam: computational microscopy with a lensless imager (JW4D.1)
    Presenter: Laura Waller, University of California Berkeley

    We describe a computational microscope that enables single-shot 3D fluorescence measurements with high-resolution across a large volume. Our system uses simple hardware and scalable software for easy reproducibility.

    Authors:Laura Waller/University of California Berkeley


    Invited
      Paper
    14:30 - 15:00
    Scalable Analysis of Primary Specimens with Quantitative Label-free Imaging and Machine Learning (JW4D.2)
    Presenter: Shalin Mehta, Chan Zuckerberg Biohub

    I'll share our work in computational imaging of dynamic architecture using quantitative phase and polarization microscopy. I'll discuss imaging of myelination, axon orientation, and cell types in the brain tissue. I'll also discuss our work in using machine learning to discover architectural motifs from this label-free data

    Authors:Shalin Mehta/Chan Zuckerberg Biohub


    Invited
    15:00 - 15:15
    Research on The resolution of Spectral ghost imaging camera with super-Rayleigh modulator (JW4D.3)
    Presenter: Pengwei Wang, Shanghai Inst of Optics and Fine Mech

    By theoretical derivation of the imaging process, we studied the main factor which influence the resolution of Spectral ghost imaging camera with super-Rayleigh modulator. Simulation results show the effectiveness of the theory, and we found that there is an optimal super-rayleigh order for practical applications.

    Authors:Pengwei Wang/Shanghai Inst of Optics and Fine Mech Zhishen Tong/Shanghai Inst of Optics and Fine Mech Zhentao Liu/Shanghai Inst of Optics and Fine Mech Wenlin Gong/Shanghai Inst of Optics and Fine Mech Shensheng Han/Shanghai Inst of Optics and Fine Mech

      Paper
    15:15 - 15:30
    (Withdrawn) Long Sequence Single Exposure Videography using Spatially Modulated Illumination (JW4D.6)
    Presenter: Simon Ek, Lund University

    Using a diffractive optical element and a digital micromirror device to illu-
    minate a moving sample by a train of uniquely spatially modulated laser pulses, single
    exposure video sequences, consisting of hundreds of frames, were recorded.

    Authors:Simon Ek/Lund University Vassily Kornienko/Lund University Elias Kristensson/Lund University

    15:30 - 15:45
    Sensitivity in DPC: Assessing the Limits (JW4D.4)
    Presenter: Chiara Bonati, Ecole Polytechnique Federale de Lausanne

    A simple method to accurately assess the sensitivity of a DPC setup is described, based on the optical parameters of the setup and the noise characteristics of the camera. Experiments validate the theory.

    Authors:Chiara Bonati/Ecole Polytechnique Federale de Lausanne Timothé Laforest/Ecole Polytechnique Federale de Lausanne Mathieu Kuenzi/Ecole Polytechnique Federale de Lausanne Christophe Moser/Ecole Polytechnique Federale de Lausanne

      Paper
    15:45 - 16:00
    Laser Speckle Mitigation Through Substandard Compressive Sensing (JW4D.5)
    Presenter: Derek Burrell, University of Central Florida

    We alleviate speckle effects by iteratively reconstructing a single image using compressive sensing. At suboptimal sample rates, reconstructions decorrelate to allow for speckle averaging. Results indicate potential reduction in speckle contrast by up to 30%.

    Authors:Derek Burrell/University of Central Florida Bruce Berry/Townes Institute Science and Technology Experimentation Facility Mark Spencer/Air Force Research Laboratory Ronald Driggers/University of Central Florida

      Paper

16:30 - 18:30 (UTC - 07:00)

    Joint Sensing-Imaging PDP Session I (JW5A)
    Presider: Percival Almoro, University of the Philippines-Diliman

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    16:30 - 16:45
    Phase Retrieval for Hidden Tomography Reconstruction (JW5A.1)
    Presenter: Daniele Ancora , Politecnico di Milano

    We discuss the problem of tomographic reconstruction of fluorescent objects hidden behind random media. To accomplish this, we focus on the properties of the auto-correlation, relying on phase retrieval algorithms to perform 3D reconstruction.

    Authors:Daniele Ancora /Politecnico di Milano Diego Di Battista/Foundation for Research and Technology-Hellas Asier Marcos Vidal/Universidad Carlos III de Madrid Stella Avtzi/Barcelona Institute of Science and Technology Giannis Zacharakis/Foundation for Research and Technology-Hellas Andrea Bassi/Politecnico di Milano

      Paper
    16:45 - 17:00
    Tomographic incoherent digital holography using a lattice light-sheet microscope (JW5A.2)
    Presenter: Mariana Potcoava, University of Illinois at Chicago

    We present tomographic fluorescence imaging using an incoherent detection technique on a lattice light-sheet microscope (LLSM) without moving sample stage or the detection objective. The system provides an adaptable low excitation and high-resolution 3D image.

    Authors:Mariana Potcoava/University of Illinois at Chicago Christopher Mann/Northern Arizona University Jonathan Art/University of Illinois at Chicago Simon Alford/University of Illinois at Chicago

      Paper
    17:00 - 17:15
    Light Sheet Fluorescence Microscopy of the Trabecular Meshwork in Rodent Eyes (JW5A.3)
    Presenter: Suchand Sandeep Chandramathi Sukumaran, Nanyang Technological University

    Trabecular meshwork of the eye in Wistar rats was imaged using high-resolution, noncontact mode Bessel beam light sheet fluorescence microscopy. Distinct features of the trabecular meshwork can be observed using this technique.

    Authors:Suchand Sandeep Chandramathi Sukumaran/Nanyang Technological University Veluchamy Amutha Barathi/Singapore National Eye Centre Tin Aung/Singapore National Eye Centre Mani Baskaran/Singapore National Eye Centre Vadakke Matham Murukeshan/Nanyang Technological University

      Paper
    17:15 - 17:30

    Label-free in vitro quantification of medical nanoparticle effects on macrophages with digital holographic microscopy (JW5A.4)

    Presenter: Kai Eder, University of Münster


    Label-free digital holographic microscopy was applied for time resolved in vitro quantification of effects induced by medical nanoparticles and digitonin on mouse macrophages.

    Authors:Kai Eder/University of Münster Anne Marzi/University of Münster Björn Kemper/University of Münster Alvaro Barroso/University of Münster Jürgen Schnekenburger/University of Münster

      Paper
    17:30 - 17:45
    LSPARCOM: Deep Unfolded Super-Resolution Microscopy
    (JW5A.5)

    Presenter: Gili Dardikman-Yoffe, Weizmann institute of science

    <div style="direction: ltr;">We present a novel high-density single molecule localization microscopy technique, which combines a classical compressed sensing method with deep learning through an algorithm unfolding procedure, yielding a compact and robust neural network considering domain knowledge.</div>

    Authors:Gili Dardikman-Yoffe/Weizmann institute of science Yonina Eldar/Weizmann institute of science

      Paper
    17:45 - 18:00
    Quantitative Phase Imaging of Embedded Scattering Surfaces by Synthetic Optical Holography (JW5A.6)
    Presenter: Andrea Di Donato, Università Politecnica delle Marche

    We describe the implementation of quantitative phase imaging in a lens-free scanning system based on low-coherence synthetic optical holography. We show the imaging of rough scattering surfaces embedded in a microfluidic channel.

    Authors:Andrea Di Donato/Università Politecnica delle Marche Luigino Criante/Istituto Italiano di Tecnologia Davide Mencarelli/Università Politecnica delle Marche Luca Pierantoni/Università Politecnica delle Marche Antonio Morini/Università Politecnica delle Marche Marco Farina/Università Politecnica delle Marche

      Paper
    18:00 - 18:15
    Leveraging Integrated Photonics for Ultrasound Sensing Applications (JW5A.7)
    Presenter: Robin Singh, MIT

    With growing demands for ultrasound in biomedical and sensing applications, we need CMOS-compatible sensor designs that meet future requirements of medical sonography. We present an integrated photonics-based-ultrasound detection platform that promises to overcome current challenges.

    Authors:Robin Singh/MIT Anu Agarwal/MIT Brian Anthony/MIT

      Paper
    18:15 - 18:30
    A Computational Aperture Stop for Optical Fiber Bundles (JW5A.8)
    Presenter: Antony Orth, National Research Council of Canada

    Optical fiber bundles are flexible image conduits used for endoscopy. We will discuss how the angular sensitivity of the bundle’s waveguiding cores can be leveraged for computational imaging.

    Authors:Antony Orth/National Research Council of Canada Martin Ploschner/University of Queensland Emma Wilson/RMIT University Ivan Maksymov/Swinburne University of Technology Brant Gibson/RMIT University

      Paper

    Joint Sensing-Imaging PDP Session II (JW5B)
    Presider: YongKeun Park, Korea Advanced Inst of Science & Tech

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    16:30 - 16:45
    Holographic Assessment of Broadband Vortex Beams Propagation for Near and Medium Terahertz Wireless Data Transfer (JW5B.1)
    Presenter: Nikolai Petrov, ITMO University

    In this paper, we present the results of a holographic assessment of the propagational dynamics of broadband pulsed terahertz vortex beams in the scope of their possible applications for near- and medium- field data transfer.

    Authors:Bogdan Sokolenko/ITMO University Maksim Kulya/ITMO University Nikolai Petrov/ITMO University

      Paper
    16:45 - 17:00
    Characterization of the polarization of ultrafast vector beams in the spatiotemporal domain (JW5B.2)
    Presenter: Benjamín Alonso, University of Salamanca

    The amplitude swing measures ultrashort laser pulses in the temporal domain. The relative amplitude of two delayed pulse replicas is varied in a compact in-line set-up, while measuring their second-harmonic generation.

    Authors:Benjamín Alonso/University of Salamanca Ignacio Lopez-Quintas/University of Salamanca Warein Holgado/University of Salamanca Rokas Drevinskas/University of Southampton Peter Kazansky/University of Southampton Carlos Hernandez-Garcia/University of Salamanca Íñigo Sola/University of Salamanca

      Paper
    17:00 - 17:15
    Measuring ultrashort laser pulses with amplitude swing (JW5B.3)
    Presenter: Benjamín Alonso, University of Salamanca

    We present a new concept for temporal pulse measurement, the amplitude swing, based on the amplitude variation of two delayed pulse replicas. The in-line compact set-up is versatile for pulses with different durations and bandwidths.

    Authors:Benjamín Alonso/University of Salamanca Warein Holgado/University of Salamanca Íñigo Sola/University of Salamanca

      Paper
    17:15 - 17:30
    Turbulence Profiling Along a Flying Drone Path with TILAS Transceiver & Downwash Effect (JW5B.4)
    Presenter: Ernst Polnau, University of Dayton


    The possibility of target-in-the-loop atmospheric sensing (TILAS) using a low-power laser transceiver and a retro-target attached into a flying drone for atmospheric turbulence profiling is discussed and demonstrated. The results of first field tests focusing on the influence of rotor downwash on the TILAS measurements are presented


    Authors:Ernst Polnau/University of Dayton Mikhail Vorontsov/University of Dayton

      Paper
    17:30 - 17:45
    Optimization of Turbulence Phase Screen Distribution for Wave-Optics Analysis of Laser Beam Propagation over Extended-Range Atmospheric Paths (JW5B.5)
    Presenter: Artem Vorontsov, Neurok Software, LLC

    A mathematical model for optimal positioning of turbulence phase screens of nearly equal strength along long-range, slant laser beam propagation paths is presented and analyzed. The proposed technique is evaluated using wave-optics numerical simulations.

    Authors:Artem Vorontsov/Neurok Software, LLC Svetlana Lachinova/II-VI Aerospace & Defense Mikhail Vorontsov/II-VI Aerospace & Defense

      Paper
    17:45 - 18:00
    Synthetic Aperture Imaging with Sparse Point Response by Annular Array of Coded Phase Reflectors (JW5B.6)
    Presenter: Angika Bulbul, Ben Gurion University of the Negev

    We present a method to improve the signal-to-noise ratio of a synthetic aperture imaging system with two physical apertures that scan synchronously along the periphery of a larger synthetic aperture, using the sparse-response holograms.

    Authors:Angika Bulbul/Ben Gurion University of the Negev Joseph Rosen/Ben Gurion University of the Negev

      Paper
    18:00 - 18:15
    Quality Evaluation of Reconstructed Images in Digital Holography to Analyze the Effects of Source Power and Exposure Times (JW5B.7)
    Presenter: Raj Kumar, CSIR-Central Scientific Instruments Orga

    Quality of reconstructed images in digital holography is evaluated in terms of structural similarity index (SSIM). Digital holograms of a diffused coin are recorded at different exposure times of recording digital sensor for different source powers

    Authors:GAURAV DWIVEDI/CSIR-Central Scientific Instruments Orga Lavlesh Pensia/CSIR-Central Scientific Instruments Orga Sanjit Debnath/CSIR-Central Scientific Instruments Orga Raj Kumar/CSIR-Central Scientific Instruments Orga

      Paper
    18:15 - 18:30
    Fourier Optics Modeling of Display Sparkle from Anti-Glare Cover Glass: Comparison to Experimental Data (JW5B.8)
    Presenter: Christine Cecala, Corning Incorporated

    Display sparkle is described by the spatial variation in pixel brightness from displays with anti-glare cover glass. Here we describe an efficient Fourier optics-based technique for calculating sparkle and compare it to experimental results.

    Authors:Christine Cecala/Corning Incorporated Cameron Nelson/Corning Incorporated James West/Corning Incorporated David Weidman/Corning Incorporated

      Paper

    Joint Sensing-Imaging PDP Session III (JW5C)
    Presider: Eric Zhang, IBM T. J. Watson Research Center

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    16:30 - 16:45
    FLIM via RATS Method Using Single Pixel Camera (JW5C.1)
    Presenter: Jiri Junek, Toptec, ASCR

    We present a new approach to FLIM. The approach is based on the RATS method and uses compressive imaging. This combination allows for imaging of photoluminescence decay on the microseconds timescale with unmatched setup simplicity.

    Authors:Jiri Junek/Toptec, ASCR Karel Zidek/Toptec, ASCR

      Paper
    16:45 - 17:00
    Fundamental speed limit of dynamic Brillouin fiber sensing (JW5C.2)
    Presenter: Joseph Murray, US Naval Research Laboratory

    We present a previously undescribed fundamental limit to dynamic Brillouin strain sensing resulting from strain induced non-local Doppler frequency shifts. We demonstrate how to surpass this limit using dual gain and loss probes.

    Authors:Joseph Murray/US Naval Research Laboratory Brandon Redding/US Naval Research Laboratory

      Paper
    17:00 - 17:15
    Wavefront sensing based depth sensor for macroscopic objects (JW5C.3)
    Presenter: Fengqiang Li, Northwestern University

    We propose a three-dimensional sensor by leveraging wavelength diversity and wavefront sensing. We correlate two close wavelengths' wavefronts to generate a centimeter-level synthetic wavelength. The proposed system can achieve mega-pixel lateral and micro depth resolutions.

    Authors:Yicheng Wu/Rice University Fengqiang Li/Northwestern University Florian Willomitzer/Northwestern University Ashok Veeraraghavan/Rice University Oliver Cossairt/Northwestern University

      Paper
    17:15 - 17:30
    Scattering Media Influences Photoluminescence Quantum Yield of Upconversion Microtube Phosphor (JW5C.4)
    Presenter: Callum Jones, Heriot Watt University

    Photoluminescence quantum yield (PLQY) enhancements of 155% were observed in upconversion Y2O3:2%Er3+ microtubes due to scattering (media refractive index decreased by 0.519). Implications include accurate and optimised PLQY reporting in upconversion materials and sensing devices.

    Authors:Callum Jones/Heriot Watt University Xiangfu Wang/Nanjing University of Posts and Telecommunications Jose Marques-Hueso/Heriot Watt University

      Paper
    17:30 - 17:45
    Sensing Multifrequency THz-waves with a Photomixer (JW5C.5)
    Presenter: Florin Lucian Constantin, CNRS

    The nonlinear electrical response from a low temperature grown GaAs photomixer driven with the optical beat of two continuous-wave lasers is exploited for frequency comb generation and phase-coherent THz frequency comb heterodyne detection.

    Authors:Florin Lucian Constantin/CNRS

      Paper
    17:45 - 18:00
    Metamaterials-based IR Sensor with Internal Reference for Chemical Detection (JW5C.6)
    Presenter: Liam Trimby, University of Exeter

    An approach for chemical sensing based on an ultra-thin tunable metamaterial band-pass IR transmission filter is proposed. Simulations supporting the concept are presented, with high field-enhancement and transmission coinciding with an analyte’s absorption peak.

    Authors:Liam Trimby/University of Exeter Farah Alimagham/University of Cambridge Arseny Alexeev/University of Exeter David Wright/University of Exeter Tanya Hutter/University of Texas at Austin

      Paper
    18:00 - 18:15
    Integrated Mid-IR Photonics for Gas and Aerosol Sensors (JW5C.7)
    Presenter: Robin Singh, MIT


    We propose an on-chip mid-infrared (MIR) photonic spectroscopy platform for aerosol and gas characterization to obtain highly discriminatory information on their constituent chemistry. Here, we develop a miniaturized framework for performing in-situ physicochemical characterization.

    Authors:Robin Singh/MIT Peter Su/MIT Anu Agarwal/MIT Brian Anthony/MIT

      Paper
    18:15 - 18:30
    Transmittance Multispectral Imaging for Edible Oil Quality Assessment (JW5C.8)
    Presenter: Herath Mudiyanselage Lakmal, University of Peradeniya

    An algorithm is proposed to estimate the adulteration level of coconut oil, with palm oil as the adulterant, which utilizes transmittance-based multispectral images of oil samples obtained utilizing an in-house developed multispectral imaging system.

    Authors:Hashan Weerasooriya/University of Peradeniya Herath Mudiyanselage Lakmal/University of Peradeniya Yasiru Ranasinghe/University of Peradeniya Wele Gedara Bandara/University of Peradeniya Vijitha Herath/University of Peradeniya Roshan Godaliyadda/University of Peradeniya Parakrama Ekanayake/University of Peradeniya Terrance Madhujith/University of Peradeniya

      Paper

18:30 - 19:30 (UTC - 07:00)

    Braindate – A new way to network - Wednesday 2


19:00 - 20:00 (UTC - 07:00)