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Proceedings Paper

Optical and thermo-mechanical properties of infrared glasses
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Paper Abstract

The interest in new infrared materials has grown rapidly during the last decade, one reason being the increasing cost of traditional Germanium, with in the meantime, a decrease of the cost of infrared detectors. In response to this Umicore has developed the GASIR® range of optical materials. A key strength of the new material is that it can be molded, leading to particularly cost effective solutions for high volume requirements. This paper reviews the GASIR®1 material relative to some of the existing materials and presents a case study of an optical design using GASIR®. In particular the effect of thermal cycling on survivability and performance are examined. The case study includes Umicore's recently developed iDLC(tm) coating. This coating complies with the specifications for "Diamond Like Carbon" coatings and can thus suit a broad range of applications such as thermography, fire fighting, etc.

Paper Details

Date Published: 16 April 2008
PDF: 8 pages
Proc. SPIE 6940, Infrared Technology and Applications XXXIV, 69400P (16 April 2008); doi: 10.1117/12.779706
Show Author Affiliations
J. Franks, Umicore Coating Services (United Kingdom)
K. Rogers, Umicore Coating Services (United Kingdom)
Y. Guimond, Umicore IR Glass (France)


Published in SPIE Proceedings Vol. 6940:
Infrared Technology and Applications XXXIV
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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