SPICA: a spectral-photometric infrared camera for SOFIA.
Abstract
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). With the 2.5 m SOFIA telescope, SPICA will provide unprecedented diffraction limited spatial resolution in the far-infrared. In addition, low resolution 3D-imaging spectroscopy (λ/Δλ ≡ 20) is planned. While the silicon array will be commercially available, the germanium arrays are being developed, including their cryogenic multiplexers. The overall instrument concept, its camera optics and the status of the detector development are presented.
- Publication:
-
Astronomy and Technology in the 21st Century
- Pub Date:
- 1998
- Bibcode:
- 1998attc.conf...99W
- Keywords:
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- Space Instrumentation: Infrared Cameras;
- Space Instrumentation: Infrared Spectrometers;
- Space Instrumentation: Telescopes