Computer Science – Performance
Scientific paper
Feb 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986idt..workr....y&link_type=abstract
In NASA. Ames Research Center Proceedings of the Second Infrared Detector Technology Workshop 10 p (SEE N87-13704 05-35)
Computer Science
Performance
Arrays, Electric Current, Infrared Astronomy, Mercury Cadmium Tellurides, Performance Tests, Photoelectric Emission, Current Density, Multiplexing, Pixels, Temperature Measurement
Scientific paper
In infrared astronomy observations, one of the key detector performance parameters is the dark current which, together with the optics, establishes the fundamental limit of a space-based instrument. This technical note summarizes an effort to measure dark current performance of the MLA/Short Wave Infrared photovoltaic HgCdTe array (2.5 micron cutoff) at temperatures from 65 to 120 K. The preliminary results indicate that dark current decreased systematically to 100 K, then the value became measurement-limited at about 3.0 E-18 A/pixel, or 19 electrons/sec/pixel.
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