The characteristics of PbS-based radiation detectors for astronomical applications

Details The characteristics of PbS-based radiation detectors for astronomical applications The characteristics of PbS-based radiation detectors for astronomical applications

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988kfnt....4...76z&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 4, May-June 1988, p. 76-80. In Russian.

Physics

Optics

Astronomical Photometry, Infrared Detectors, Lead Sulfides, Cassegrain Optics, Photoelectric Materials, Telescopes

Scientific paper

The basic characteristics of PbS-based IR photodetectors are studied under laboratory conditions. Consideration is given to the temperature dependence of the dark resistance, the intrinsic time constant, the volt-watt and threshold sensitivity, and the frequency dependence in the 20-400 Hz range. The detectors are studied upon cooling to -60 C in a vacuum volume with an input aperture of 1:15 which is typical for Cassegrain foci of telescopes.

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