Design and measured performance of the ISO Short Wavelength Spectrometer

Douwe A. Beintema; Mattheus WM de Graauw; Willem Luinge; Edwin A. Valentijn; Jan J. Wijnbergen; Klaas J. Wildeman; Lothar Barl; Helmut Feuchtgruber; Leo N. K. Haser; Reinhard O. Katterloher; F. Melzner; Jakob E. Stoecker

doi:10.1117/12.158682

20 October 1993 Design and measured performance of the ISO Short Wavelength Spectrometer

Douwe A. Beintema, Mattheus WM de Graauw, Willem Luinge, Edwin A. Valentijn, Jan J. Wijnbergen, Klaas J. Wildeman, Lothar Barl, Helmut Feuchtgruber, Leo N. K. Haser, Reinhard O. Katterloher, F. Melzner, Jakob E. Stoecker

Author Affiliations +

Proceedings Volume 1946, Infrared Detectors and Instrumentation; (1993) https://doi.org/10.1117/12.158682
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

The Short Wavelength Spectrometer is one of the four instruments for the Infrared Space Observatory. The instrument operates at about 3 K. Employing diffraction gratings, if offers a resolving power between 1000 and 2000 in the wavelength range 2.45 to 45 micrometers . An additional Fabry-Perot interferometer offers resolutions between 25,000 and 30,000 in the range 12 to 45 micrometers . The instrument employs arrays of discrete detectors: InSb photo- diodes and Si:Ga, Si:Sb and Ge:Be photo-conductors. In the course of 1992, the flight unit was tested and characterized, with interruptions for minor modifications. The paper discusses the SWS design and its performance.

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Douwe A. Beintema, Mattheus WM de Graauw, Willem Luinge, Edwin A. Valentijn, Jan J. Wijnbergen, Klaas J. Wildeman, Lothar Barl, Helmut Feuchtgruber, Leo N. K. Haser, Reinhard O. Katterloher, F. Melzner, and Jakob E. Stoecker "Design and measured performance of the ISO Short Wavelength Spectrometer", Proc. SPIE 1946, Infrared Detectors and Instrumentation, (20 October 1993); https://doi.org/10.1117/12.158682

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