Space qualified mid-infrared illumination sources

Darren Hayton; Peter Hargrave; Alistair Glasse

doi:10.1117/12.673176

14 June 2006 Space qualified mid-infrared illumination sources

Darren Hayton, Peter Hargrave, Alistair Glasse

Proceedings Volume 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter; 62652E (2006) https://doi.org/10.1117/12.673176
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

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.

Citation Download Citation

Darren Hayton, Peter Hargrave, and Alistair Glasse "Space qualified mid-infrared illumination sources", Proc. SPIE 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter, 62652E (14 June 2006); https://doi.org/10.1117/12.673176

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