NASA NTRS · 19960017879
Imaging Spectrometer With Liquid-Crystal Tunable Filter
Abstract
Imaging spectrometer constructed from charged-coupled-device video camera; liquid-crystal tunable filter (LCTF) placed in front of camera lens; and associated digital and analog control, signal-processing, and data-processing circuits. To enable operation of instrument in specific application for which designed (balloon flights in cold weather), camera and LCTF surrounded by electric heating pad. Total operating power, excluding that consumed by heating pad, 16 W. Instrument weighs 4.5 kg.
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Chrien, Thomas G.. 1996-02-01. Imaging Spectrometer With Liquid-Crystal Tunable Filter. https://ntrs.nasa.gov/citations/19960017879
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