Optics & Photonics News

COVER STORY

Mid-IR Spectroscopic Sensing

Nathalie Picqué and Theodor W. Hänsch

Advances in mid-IR light sources and spectrometers are spurring development of fast, powerful instruments to explore a range of scientific, industrial and biomedical problems.

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IMAGE OF THE WEEK

F.R.O.G.
F.R.O.G.

An experimental interferometric frequency-resolved optical gating (FROG) trace of an ultrashort laser pulse from a Ti:sapphire oscillator. The trace is presented using a custom Matlab colormap.


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Latest News

New Approach Captures Detailed Mid-Infrared Images for Medical Diagnostics

23 May 2019
Researchers have developed a unique high-resolution imaging method that can capture mid-infrared spectral images of fast events or dynamic processe...

New Approach Captures Detailed Mid-Infrared Images for Medical Diagnostics

LIDAR and Other Optical Sensors in Autonomous Driving Focus of Keynote at OIDA Forum

22 May 2019
Jin Shang, CEO of GAC’s R&D center in Silicon Valley, U.S.A., will share his views on LIDAR and other optical sensors in autonomous driving as keyn...

LIDAR and Other Optical Sensors in Autonomous Driving Focus of Keynote at OIDA Forum

New Lidar Instruments Peer Skyward for Clues on Weather and Climate

21 May 2019
Researchers have developed a set of diode-based lidar instruments that could help fill important gaps in meteorological observations and fuel a lea...

New Lidar Instruments Peer Skyward for Clues on Weather and Climate

Fiber-Based Imaging Spectrometer Captures Record Amounts of Data

20 May 2019
Researchers have developed a new compact, fiber-based imaging spectrometer for remote sensing that can capture 30,000 sampling points each containi...

Fiber-Based Imaging Spectrometer Captures Record Amounts of Data

The Optical Society Celebrates International Day of Light 16 May 2019

16 May 2019
The Optical Society (OSA) today celebrates the second annual International Day of Light (IDL), a global initiative by UNESCO that supports continue...

The Optical Society Celebrates International Day of Light 16 May 2019

OSA Publishing

Recently Published

Temperature insensitive fiber interferometry

Optics Letters, Vol. 44 Issue 11, pp.2768-2770 (2019)
We show for the first time, to the best of our knowledge, the interference pattern of a Mach–Zehnder interferometer to be fully insensitive ...

Thresholdless deep and vacuum ultraviolet Raman frequency conversion in hydrogen-filled photonic crystal fiber

Optica, Vol. 6 Issue 6, pp.731-734 (2019)
Coherent ultraviolet light has many uses, for example, in the study of molecular species relevant in biology and chemistry. Very few, if any, laser...

Core size and axial offset dependent extinction characteristics for silver nanotube and its application to directional sensing

JOSA B, Vol. 36 Issue 6, pp.1637-1644 (2019)
We report the results of a study using the classical Mie theory and available experimental data of Johnson and Christy [Phys. Rev. B6, 4370 (1972)]...

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