Performance testing of doped-germanium photoconductors for the ISO long wavelength spectrometer

Church, S. E., Griffin, Matthew J. ORCID: https://orcid.org/0000-0002-0033-177X, Ade, Peter A. R. ORCID: https://orcid.org/0000-0002-5127-0401, Price, M. C., Emery, R. J. and Swinyard, B. M. 1992. Performance testing of doped-germanium photoconductors for the ISO long wavelength spectrometer. Presented at: ESA Symposium on Photon Detectors for Space Instrumentation : ESTEC, Noordwijk, The Netherlands, 10- 12 November 1992. Published in: Guyenne, T. D. and Hunt, J. J. eds. Proceedings of an ESA Symposium on Photon Detectors for Space Instrumentation : ESTEC, Noordwijk, The Netherlands, 10- 12 November 1992. ESA SP (356) Paris, France: European Space Agency, pp. 255-260.

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Abstract

The ISO (Infrared Space Observatory) Long Wavelength Spectrometer (LWS) uses an array of ten doped germanium photoconductors to cover the wavelength range 45 to 200 micrometers. The performance of the detectors was characterized, optimized, and calibrated, both individually and in the flight instrument. The detector test techniques and calibration methods are described and results for the spectral response, dark current, responsivity, and noise equivalent power are presented. The dependence of these parameters on operating conditions was explored and optimum values established for the flight instrument. Calibration of the flight instrument demonstrated that the sensitivity of the LWS is within specifications.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	European Space Agency
ISBN:	9290922664
Last Modified:	28 Oct 2022 09:35
URI:	https://orca.cardiff.ac.uk/id/eprint/74995

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