Physics – Optics
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...19312103w&link_type=abstract
American Astronomical Society, 193rd AAS Meeting, #121.03; Bulletin of the American Astronomical Society, Vol. 31, p.663
Physics
Optics
Scientific paper
The spectral-photometric infrared camera SPICA is proposed as one of the German science instruments of the Stratospheric Observatory for Infrared Astronomy, SOFIA. It will cover a wavelength range of 20 to 220 µm with three large area detector arrays (Si-BIB, Ge:Ga and stressed Ge:Ga). In its imaging mode SPICA will provide unpresedented diffraction limited spatial resolution in the far-infrared with the 2.5 m SOFIA telescope. In addition, low resolution ( 20) imaging spectroscopy using the "3D-principle" is planned. While the silicon array will be commercially available, the germanium arrays have to be developed, including their cryogenic multiplexers. The overall concept, camera optics and the detector array design have been developed by the DLR Institute of Space Sensor Technology (Institut fuer Weltraumsensorik) in Berlin. Several German and U.S. partners are interested to support the instrument development. However, due to funding constraints SPICA will probably not be one of the first-light instruments on SOFIA.
Kirches Stefan
Krabbe Alfred
Paul Emmanuel
Rabanus David
Rösner K.
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