High Temperature Transmission Measurements Of IR Window Materials

Colin M Freeland

doi:10.1117/12.945854

18 July 1988 High Temperature Transmission Measurements Of IR Window Materials

Colin M Freeland

Proceedings Volume 0929, Infrared Optical Materials IV; (1988) https://doi.org/10.1117/12.945854
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

Measurements have been made of the IR transmission of several materials at temperatures up to 600°C. The materials measured in the study represent some of the most commonly considered materials for airborne FLIR (forward looking infra-red) sensor windows and missile domes in both the 3-5 micron and 8-12 micron wavebands. All materials show a reduction in overall IR transmission when heated. The general effect is an extension of the phonon absorption band to shorter wavelengths so reducing the waveband over which the material transmits.

Citation Download Citation

Colin M Freeland "High Temperature Transmission Measurements Of IR Window Materials", Proc. SPIE 0929, Infrared Optical Materials IV, (18 July 1988); https://doi.org/10.1117/12.945854

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