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Space qualified mid-infrared illumination sources

Hayton, Darren, Hargrave, Peter Charles and Glasse, Alistair 2006. Space qualified mid-infrared illumination sources. Presented at: Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter, Orlando, FL, USA, 24 May 2006. Published in: Mather, J. C., Macewen, H. A. and de Graauw, M. W. M. eds. Space telescopes and instrumentation I: optical, infrared, and millimeter. Proceedings of SPIE , vol. 6265. Bellingham, WA: SPIE, 62652E. 10.1117/12.673176

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We present details of a new illumination source, suitable for use on mid-infrared satellite instruments. The device is based around an electrically heated tungsten filament. The source is compact, and dissipates typically 9 mW for an effective black-body temperature of 1000 K. A typical device design will warm from 4 K to 1000 K in around 1 s, and cool from 1000 K to 4 K in around 2.5 s. We present results for a range of device designs, and discuss the range of parameter space (e.g. power dissipation, time constant, photon flux) to which these devices can be tuned. A device of this type is currently in qualification for flight on JWST-MIRI1, and similar devices are being considered for use on JWST-NIRSPEC and SPICA2-ESI3.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: SPIE
ISBN: 9780819463302
ISSN: 0277786X
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Last Modified: 04 Jun 2017 06:23

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