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Proceedings Paper

Dual- and triple-band AR coatings for IR systems
Author(s): Daniel Cohen; Yevgeni Stolov; Amnon Azran; Mordechai Gilo
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Paper Abstract

Dual-band infrared camera systems allow viewing and comparison of the 3-5µ and 8-12µ spectrum regions, improve visibility at sunrise/sunset and help distinguish between targets and decoys. They also enhance the ability to defeat many IR countermeasures such as smoke, camouflage and flares. As dual band 3rd generation FLIR systems progress, we introduce coatings for these systems. This paper describes advanced dual band coatings for the 3-5µ and 8-12µ spectrum regions, with reference to single band coatings. Theoretical and measured designs are shown for ZnSe, ZnS, Ge and IG-6 substrates. Triple band AR coatings with additional transmittance at 1.06µ are also demonstrated.

Paper Details

Date Published: 18 June 2013
PDF: 6 pages
Proc. SPIE 8704, Infrared Technology and Applications XXXIX, 870422 (18 June 2013); doi: 10.1117/12.2014826
Show Author Affiliations
Daniel Cohen, Ophir Optronics Solutions Ltd. (Israel)
Yevgeni Stolov, Ophir Optronics Solutions Ltd. (Israel)
Amnon Azran, Ophir Optronics Solutions Ltd. (Israel)
Mordechai Gilo, Ophir Optronics Solutions Ltd. (Israel)

Published in SPIE Proceedings Vol. 8704:
Infrared Technology and Applications XXXIX
Bjørn F. Andresen; Gabor F. Fulop; Charles M. Hanson; Paul R. Norton; Patrick Robert, Editor(s)

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