Computer Science – Performance
Scientific paper
Oct 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1107..137m&link_type=abstract
IN: Infrared detectors, focal plane arrays, and imaging sensors; Proceedings of the Meeting, Orlando, FL, Mar. 30, 31, 1989 (A90
Computer Science
Performance
1
Gallium Arsenides, Infrared Detectors, Linear Arrays, Photodiodes, Satellite-Borne Instruments, Spot (French Satellite), Indium Arsenides, Quantum Efficiency, Short Wave Radiation
Scientific paper
The SPOT 4 earth resources remote-sensing satellite will incorporate a SWIR channel for agricultural monitoring which is fully compatible with the visible/near-IR silicon CCD employed. The 3000 30 x 30-micron pixel array used by the SWIR channel can be registered to the visible detectors with an accuracy better than about 2 microns; its radiometric performance is comparable to that of the visible waveband channel's CCD detector. A dynamic range of over 4000 is obtained at the multiplexer output, and photodiode quantum efficiency is typically 65 percent. Operating temperature is 5 C, and no significant degradation of performance has been noted after aging at 125 C.
Chabbal Jean
de Cachard J.
Hugon Xavier
Lenoble Cl.
Moy J. P.
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