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7 May 2007 High-performance Sagnac interferometer using uncooled detectors for infrared hyperspectral applications
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Abstract
Results of field testing of a LWIR hyperspectral imager based on a Sagnac interferometer and uncooled microbolometer array are presented. Signal to noise ratios of nearly 1000 are found for 30 bands across the LWIR (8-14 microns) at useful data collection rates (7000 spectra/second). Spectra are compared to those collected simultaneously with a cryogenic LWIR hyperspectral system (U. Hawaii AHI).
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Paul G. Lucey, Keith Horton, Tim Williams, and Brett Denevi "High-performance Sagnac interferometer using uncooled detectors for infrared hyperspectral applications", Proc. SPIE 6565, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XIII, 65650S (7 May 2007); https://doi.org/10.1117/12.718559
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