A Freeform Based Hyperspectral Imager For Moisture Sensing of Soils

Christopher Graham; John M. Girkin; Cyril Bourgenot; Cyril Bourgenot

doi:10.1364/FREEFORM.2021.RW1A.6

OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT)
OSA Technical Digest (Optica Publishing Group, 2021),
paper RW1A.6
•https://doi.org/10.1364/FREEFORM.2021.RW1A.6

A Freeform Based Hyperspectral Imager For Moisture Sensing of Soils

Christopher Graham, John M. Girkin, and Cyril Bourgenot

Freeform Optics 2021

Washington, DC United States
27 June–1 July 2021
ISBN: 978-1-943580-88-0

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Freeform I (RW1A)

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C. Graham, J. M. Girkin, and C. Bourgenot, "A Freeform Based Hyperspectral Imager For Moisture Sensing of Soils," in OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT), F. Capasso, W. Chen, P. Dainese, J. Fan, J. DeGroote Nelson, F. Duerr, J. Rogers, J. Rolland, P. Clark, R. Pfisterer, H. Rehn, S. Thibault, M. Jenkins, D. Wook Kim, and N. Trela-McDonald, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper RW1A.6.

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Abstract

We present FYMOS, an all-aluminum, robust, light weight Freeform based hY- perspectral imager for MOisture Sensing. FYMOS has been purposely designed to remotely measure moisture content with an InGaAs sensor, using spectral features in the SWIR.

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