Development and Production of Silicon Immersion Gratings for High-Resolution Infrared Spectroscopy

Cynthia B. Brooks

doi:10.1364/AIS.2023.AW5A.1

Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES)
Technical Digest Series (Optica Publishing Group, 2023),
paper AW5A.1
•https://doi.org/10.1364/AIS.2023.AW5A.1

Development and Production of Silicon Immersion Gratings for High-Resolution Infrared Spectroscopy

Cynthia B. Brooks

Applied Industrial Spectroscopy 2023

Munich Germany
30 July–3 August 2023
ISBN: 978-1-957171-24-1

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Space Applications (AW5A)

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C. B. Brooks, "Development and Production of Silicon Immersion Gratings for High-Resolution Infrared Spectroscopy," in Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2023), paper AW5A.1.

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Abstract

The University of Texas at Austin fabricates silicon grisms and silicon immersion gratings for astronomical and Earth science applications. These gratings are used in both space (JWST NIRCam) and ground-based (IGRINS, iSHELL, GMTNIRS) infrared spectroscopy. This technology allows us to design and build infrared spectrometers that are quite compact while covering a large spectral range at high resolution.

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