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Proceedings Paper

Onboard calibration sources for the mid-infrared instrument (MIRI) on the James Webb space telescope
Author(s): A. Glasse; D. Lee; P. Parr-Burman; D. Hayton; E. Mazy
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Paper Abstract

We have developed a novel light source for flat fielding and transmission monitoring of the Mid-Infrared Instrument on the JWST. The source uses a hot tungsten filament, mounted in a hemispherical, non-imaging flux concentrator. The design is compact, with the hemisphere having a diameter of 20 mm, and dissipates only 10 milliWatts of electrical power when operating. We describe the most important features of the design, and present the first measurements of its photometric performance.

Paper Details

Date Published: 15 June 2006
PDF: 7 pages
Proc. SPIE 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter, 626539 (15 June 2006); doi: 10.1117/12.669326
Show Author Affiliations
A. Glasse, UK Astronomy Technology Ctr. (United Kingdom)
D. Lee, UK Astronomy Technology Ctr. (United Kingdom)
P. Parr-Burman, UK Astronomy Technology Ctr. (United Kingdom)
D. Hayton, Cardiff Univ. (United Kingdom)
E. Mazy, Ctr. Spatial de Liège (Belgium)


Published in SPIE Proceedings Vol. 6265:
Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter
John C. Mather; Howard A. MacEwen; Mattheus W. M. de Graauw, Editor(s)

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