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Scientific paper
Jun 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996jhatd..17..215b&link_type=abstract
Johns Hopkins APL Tech. Dig., Vol. 17, No. 2, p. 215 - 225
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1
Space Instrumentation: Infrared Telescopes
Scientific paper
The Spatial Infrared Imaging Telescope III (SPIRIT III) is a mid- through long-wave infrared instrumentation package built and managed by the Space Dynamics Laboratory at Utah State University for the Midcourse Space Experiment. SPIRIT III contains a radiometer and an auto-aligning interferometer-spectrometer that share a telescope designed for high off-axis rejection. A solid-hydrogen cryostat, the first of its kind to be used in a space/satellite application, cools the entire sensor system to cryogenic operating temperatures. This hardware will measure the spectral, spatial, temporal, and intensity characteristics of Earth-limb backgrounds, celestial objects, and other upper atmospheric phenomena. Collected data will provide answers to fundamental questions about Department of Defense surveillance systems and supply invaluable information for system planners and designers of future threat detection systems.
Bartschi B. Y.
Morse David E.
Woolston T. L.
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