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Proceedings Paper

Rugged spinel optics for space based imaging systems
Author(s): Shyam Bayya; Guillermo Villalobos; Michael Hunt; Woohong Kim; Simon Plunkett; Jasbinder Sanghera
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Paper Abstract

Space environment is very harsh for optical systems. Currently available optical materials for space applications are susceptible to surface and bulk damage due to high-speed impacts from dust and debris found in the space environment. Impacts lead to surface pitting and fracturing that may compromise structural integrity and degrade the optical performance of imaging systems. We are developing polycrystalline spinel as a rugged optics material. With its 3x hardness and 5x strength, as compared to BK7 glass, spinel is a very promising optical material for space imaging applications. Spinel’s broad transmission from 160 nm to 5000 nm will also enable multispectral imaging from ultraviolet to midwave infrared.

Paper Details

Date Published: 17 May 2016
PDF: 6 pages
Proc. SPIE 9822, Advanced Optics for Defense Applications: UV through LWIR, 982204 (17 May 2016); doi: 10.1117/12.2224144
Show Author Affiliations
Shyam Bayya, U.S. Naval Research Lab. (United States)
Guillermo Villalobos, U.S. Naval Research Lab. (United States)
Michael Hunt, U.S. Naval Research Lab. (United States)
Woohong Kim, U.S. Naval Research Lab. (United States)
Simon Plunkett, U.S. Naval Research Lab. (United States)
Jasbinder Sanghera, U.S. Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 9822:
Advanced Optics for Defense Applications: UV through LWIR
Jay N. Vizgaitis; Bjørn F. Andresen; Peter L. Marasco; Jasbinder S. Sanghera; Miguel P. Snyder, Editor(s)

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