Design and measured performance of the ISO Short Wavelength Spectrometer

Autor:	Helmut Feuchtgruber, L. Haser, T. de Graauw, J. Stöcker, D. A. Beintema, W. Luinge, J. Wijnbergen, L. Barl, F. Melzner, K. Wildeman, Reinhard O. Katterloher, Edwin A. Valentijn
Přispěvatelé:	Astronomy
Jazyk:	angličtina
Rok vydání:	1993
Předmět:	Physics Interferometry Wavelength Optics Spectrometer business.industry Calibration Optoelectronics Infrared spectroscopy Spectral resolution business Diffraction grating Diode
Zdroj:	Proceedings of SPIE, 1946, 293-301. SPIE University of Groningen
Popis:	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.
Databáze:	OpenAIRE
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