Rugged spinel optics for space based imaging systems

Shyam Bayya; Guillermo Villalobos; Michael Hunt; Woohong Kim; Simon Plunkett; Jasbinder Sanghera

doi:10.1117/12.2224144

17 May 2016 Rugged spinel optics for space based imaging systems

Shyam Bayya, Guillermo Villalobos, Michael Hunt, Woohong Kim, Simon Plunkett, Jasbinder Sanghera

Proceedings Volume 9822, Advanced Optics for Defense Applications: UV through LWIR; 982204 (2016) https://doi.org/10.1117/12.2224144
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

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.

Citation Download Citation

Shyam Bayya, Guillermo Villalobos, Michael Hunt, Woohong Kim, Simon Plunkett, and Jasbinder Sanghera "Rugged spinel optics for space based imaging systems", Proc. SPIE 9822, Advanced Optics for Defense Applications: UV through LWIR, 982204 (17 May 2016); https://doi.org/10.1117/12.2224144

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