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Proceedings Paper

Development of high performance radiation hardened antireflection coatings for LWIR and multicolor IR focal plane arrays
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Paper Abstract

High Performance Radiation Hardened LWIR and Multicolor Focal Plane Arrays are critical for many space applications. Reliable focal plane arrays are needed for these applications that can operate in space environment without any degradation. In this paper, we will present various LWIR and Multicolor Focal Plane architectures currently being evaluated for LWIR and Multicolor applications that include focal plane materials such as HgCdTe, PbSnTe, QWIP and other Superlattice device structures. We also present AR Coating models and experimental results on several promising multi-layer AR coatings that includes CdTe, Si3N4 and diamond like Carbon, that have the necessary spectral response in the 2-25 microns and are hard materials with excellent bond strength. A combination of these materials offers the potential of developing anti-reflection coatings with high optical quality with controlled physical properties.

Paper Details

Date Published: 17 May 2006
PDF: 13 pages
Proc. SPIE 6206, Infrared Technology and Applications XXXII, 620615 (17 May 2006); doi: 10.1117/12.667812
Show Author Affiliations
Ashok K. Sood, Magnolia Optical Technologies, Inc. (United States)
Yash R. Puri, Magnolia Optical Technologies, Inc. (United States)
Latika Becker, U.S. Army Space and Missile Defense Command (United States)
Meimei Z. Tidrow, Missile Defense Agency (United States)
Raymond S. Balcerak, DARPA (United States)
Gregory Brill, Army Research Lab. (United States)
Priyalal Wijewarnasuriya, Army Research Lab. (United States)
Nibir Dhar, Army Research Lab. (United States)
Paul Boieriu, EPIR Technologies, Inc. (United States)
Chad Fulk, EPIR Technologies, Inc. (United States)
Siva Sivananthan, EPIR Technologies, Inc. (United States)
Joseph Yehoda, Morgan Advanced Ceramics (United States)
Steve Finke, Morgan Advanced Ceramics (United States)


Published in SPIE Proceedings Vol. 6206:
Infrared Technology and Applications XXXII
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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