Photoconductors and arrays for the far-infrared

Details Photoconductors and arrays for the far-infrared Photoconductors and arrays for the far-infrared

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.356..137w&link_type=abstract

In ESA, Proceedings of an ESA Symposium on Photon Detectors for Space Instrumentation p 137-146 (SEE N94-15025 03-19)

Astronomy and Astrophysics

Astronomy

Arrays, Far Infrared Radiation, Infrared Astronomy, Infrared Space Observatory (Iso), Photometers, Low Noise, Photoconductivity, Readout, Spaceborne Astronomy

Scientific paper

Doped silicon and germanium are used as extrinisic photoconductors for infrared astronomy from ground based, balloon and airborne observatories, and from space platforms. The detectors of the Infrared Space Observatory (ISO) will be capable of observing at the sensitivity limits imposed by natural sky background radiation. For the first time, ISO will use stressed Ge:Ga detectors on a satellite covering the wavelength range out to 240 micrometers. Preflight testing has shown that ISO's calibration will have to correct high energy radiation effects and delayed flux response of detectors. For future far infrared projects, these problems might be solved by blocked impurityband detectors. Several other difficulties in today's detector assembly production and readout technology also deserve improvements.

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