The InSb detector characteristics for astronomical conditions

Details The InSb detector characteristics for astronomical conditions The InSb detector characteristics for astronomical conditions

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992kfnt....8...93z&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 8, no. 5, p. 93-96.

Physics

Optics

Indium Antimonides, Infrared Astronomy, Infrared Detectors, Photodiodes, Cassegrain Optics, Photometers

Scientific paper

The basic InSb IR-photodiode characteristics (the reverse current, the dark resistance, the absolute current sensitivity, the noise equivalent power, and the threshold sensitivity in the range 20-66 Hz) are investigated under laboratory and test conditions. The detectors are studied at temperatures down to 77 K with an entrance aperture of 1:15, which is typical of the Cassegrain telescopes. As observations with a 70-cm AZT-2 telescope showed, the limiting magnitude for a photometer with an InSb detector was 4.4 m for an integration time of 1 s.

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