Applied Industrial Optics

26 July 2021 – 30 July 2021
Optica Virtual Event - Eastern Daylight/Summer Time (UTC - 04:00)

Metasurfaces Meet My Reality (Th1A)

Presider: Stefano Bonora, Consiglio Nazionale delle Ricerche, IFN

Metasurfaces Meet My Reality (Th1A)

Presider: Stefano Bonora, Consiglio Nazionale delle Ricerche, IFN
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8:30 - 9:00
(UTC - 04:00)

Broadband Achromatic Lenses and Multicolor Phase-Amplitude Holograms Based on Metasurfaces (Th1A.1)
Presenter: Nanfang Yu, Columbia University

I will describe the effort of my research lab in investigating structural dispersion engineering of meta-atoms and creating passive metasurface-based flat optical devices using the meta-atoms. These include broadband achromatic flat lenses for full-color imaging and phase-amplitude metasurface holograms for creating defect-free holographic objects.

Authors:Nanfang Yu, Columbia University

8:30 - 9:00
(UTC - 04:00)

Broadband Achromatic Lenses and Multicolor Phase-Amplitude Holograms Based on Metasurfaces (Th1A.1)
Presenter: Nanfang Yu, Columbia University

I will describe the effort of my research lab in investigating structural dispersion engineering of meta-atoms and creating passive metasurface-based flat optical devices using the meta-atoms. These include broadband achromatic flat lenses for full-color imaging and phase-amplitude metasurface holograms for creating defect-free holographic objects.

Authors:Nanfang Yu, Columbia University

9:00 - 9:15
(UTC - 04:00)

Sub-10-nm-Resolution Grayscale Printing of Optical Metasurface Using Light-Controlled Capillary Force Lithography (Th1A.2)
Presenter: Jaeyoun Kim, Iowa State University

By applying optical control to nanoscale capillary effect, we realize grayscale printing of polymer nanopixels with a sub-10-nm vertical resolution. Through spatial modulation of the control-light, we print various grayscale optical metasurfaces on-demand.

Authors:Myung Gi Ji, Iowa State University / Qiang Li, Iowa State University / Jaeyoun Kim, Iowa State University

9:00 - 9:15
(UTC - 04:00)

Sub-10-nm-Resolution Grayscale Printing of Optical Metasurface Using Light-Controlled Capillary Force Lithography (Th1A.2)
Presenter: Jaeyoun Kim, Iowa State University

By applying optical control to nanoscale capillary effect, we realize grayscale printing of polymer nanopixels with a sub-10-nm vertical resolution. Through spatial modulation of the control-light, we print various grayscale optical metasurfaces on-demand.

Authors:Myung Gi Ji, Iowa State University / Qiang Li, Iowa State University / Jaeyoun Kim, Iowa State University

  Paper

9:15 - 9:45
(UTC - 04:00)

Practical Benefits of Cross Grating Output Couplers for Augmented Reality Waveguides (Th1A.3)
Presenter: Ciaran Phelan, WaveOptics Ltd

Diffractive optical elements (DOEs) are used to couple images into and out of optical waveguides for augmented reality applications. In most waveguide implementations there are actually two discrete DOEs that are used in the output structure to provide two-dimensional pupil expansion. Two dimensional pupil expansion is a very important feature in practical systems to reduce the projector size and to ease demands positioning of the eye relative to the waveguide. WaveOptics’ implement the two-dimensional pupil expansion in a single DOE. This paper will describe the fabrication, performance and compactness of this approach compared to the alternative.

Authors:Ciaran Phelan, WaveOptics Ltd

9:15 - 9:45
(UTC - 04:00)

Practical Benefits of Cross Grating Output Couplers for Augmented Reality Waveguides (Th1A.3)
Presenter: Ciaran Phelan, WaveOptics Ltd

Diffractive optical elements (DOEs) are used to couple images into and out of optical waveguides for augmented reality applications. In most waveguide implementations there are actually two discrete DOEs that are used in the output structure to provide two-dimensional pupil expansion. Two dimensional pupil expansion is a very important feature in practical systems to reduce the projector size and to ease demands positioning of the eye relative to the waveguide. WaveOptics’ implement the two-dimensional pupil expansion in a single DOE. This paper will describe the fabrication, performance and compactness of this approach compared to the alternative.

Authors:Ciaran Phelan, WaveOptics Ltd

9:45 - 10:00
(UTC - 04:00)

Terahertz Camera-Less Imaging of Deep Trench and Whole SiC Wafer Defects (Th1A.4)
Presenter: Anis Rahman, Applied Research and Photonics Inc

Terahertz camera-less imaging was conducted on deep trench etched on Si, and whole SiC wafers. It is demonstrated that terahertz 3D approach can see more and deeper features on both samples.

Authors:Hrishikesh Das, ON Semiconductor / Bruce Greenwood, ON Semiconductor / Anis Rahman, Applied Research and Photonics Inc

  Paper

9:45 - 10:00
(UTC - 04:00)

Terahertz Camera-Less Imaging of Deep Trench and Whole SiC Wafer Defects (Th1A.4)
Presenter: Anis Rahman, Applied Research and Photonics Inc

Terahertz camera-less imaging was conducted on deep trench etched on Si, and whole SiC wafers. It is demonstrated that terahertz 3D approach can see more and deeper features on both samples.

Authors:Hrishikesh Das, ON Semiconductor / Bruce Greenwood, ON Semiconductor / Anis Rahman, Applied Research and Photonics Inc