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Proceedings Paper

Precise theoretical description of photoresponse for detectors of ISOPHOT's Si:Ga array
Author(s): Boris I. Fouks; Josef Schubert
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Paper Abstract

Low-background IR detectors have a very long-term transient response which, what is more, is highly dependent on the preceding irradiations. For these reasons to determine with a high precision the radiation flux of a cool space object, it has to be measured for a long time. The theory presented in this paper describes the detector operation under frequent flux changes and allows precise determination of the flux values from fast measurements, in spite of the strong memory effects. The theory is specialized for the ISOPHOT Si:Ga detector arrays and is confirmed by the experiments. Its use has to add to the productivity of the launched apparatus.

Paper Details

Date Published: 6 June 1995
PDF: 12 pages
Proc. SPIE 2475, Infrared Detectors and Instrumentation for Astronomy, (6 June 1995); doi: 10.1117/12.211246
Show Author Affiliations
Boris I. Fouks, Institute of Radio Engineering and Electronics (Russia)
Josef Schubert, Max-Planck-Institut fuer Astronomie (Germany)


Published in SPIE Proceedings Vol. 2475:
Infrared Detectors and Instrumentation for Astronomy
Albert M. Fowler, Editor(s)

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