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Proceedings Paper

Photoconductor arrays for a spectral-photometric far-infrared camera on SOFIA
Author(s): Juergen Wolf; Hans Driescher; Josef Schubert; David Rabanus; E. Paul; K. Roesner
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Paper Abstract

The Stratospheric Observatory for Infrared Astronomy, SOFIA, is a joint US and German project and will start observations from altitudes up to 45,000 ft in late 2001. The 2.5 m telescope is being developed in Germany while the 747- aircraft modifications and preparation of the observatory's operations center is done by a US consortium. Several research institutions and universities of both countries have started to develop science instruments. The DLR Institute of Space Sensor Technology in Berlin plans on a spectral-photometric camera working in the 20 to 220 micrometers wavelength range, using doped silicon and germanium extrinsic photoconductors in large, 2D arrays: silicon blocked-impurity band detectors, Ge:Ga and stressed Ge:Ga. While the silicon array will be commercially available, the germanium arrays have to be developed, including their cryogenic multiplexers. Partner institutions in Germany and the US will support the development of the instrument and its observations.

Paper Details

Date Published: 8 April 1998
PDF: 8 pages
Proc. SPIE 3287, Photodetectors: Materials and Devices III, (8 April 1998); doi: 10.1117/12.304490
Show Author Affiliations
Juergen Wolf, Deutsches Zentrum fuer Luft-und Raumfahrt e.V. (United States)
Hans Driescher, Deutsches Zentrum fuer Luft-und Raumfahrt e.V. (Germany)
Josef Schubert, Deutsches Zentrum fuer Luft-und Raumfahrt e.V. (Germany)
David Rabanus, Deutsches Zentrum fuer Luft-und Raumfahrt e.V. (United States)
E. Paul, Deutsches Zentrum fuer Luft-und Raumfahrt e.V. (Germany)
K. Roesner, Deutsches Zentrum fuer Luft-und Raumfahrt e.V. (Germany)


Published in SPIE Proceedings Vol. 3287:
Photodetectors: Materials and Devices III
Gail J. Brown, Editor(s)

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