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Spinel optics for high energy lasers
Author(s): Syed N. Qadri; Shyam S. Bayya; Guillermo Villalobos; Woohong Kim; Michael Hunt; Lynda E. Busse; Jesse A. Frantz; L. Brandon Shaw; Jasbinder S. Sanghera; Bryan Sadowski; Robert Miklos; Ishwar D. Aggarwal; Christopher R. Wilson
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Paper Abstract

Transparent magnesium aluminate spinel (MgAl2O4) ceramic has excellent transmission from the UV to mid-wave IR. It is rugged with strength that is 5x that of glass. Spinel is being developed as a sensor window for numerous military platforms. At the U.S. Naval Research Laboratory (NRL), we have focused on process developments to facilitate wider acceptance of spinel for various applications. These developments include purification of spinel to reduce the absorption and scattering losses for use as an exit aperture on High Energy Laser (HEL) systems and various cost-effective densification methods to reduce manufacturing costs. In this paper, we will provide an update on some of the ongoing spinel activities at NRL.

Paper Details

Date Published: 20 May 2019
PDF: 10 pages
Proc. SPIE 10985, Window and Dome Technologies and Materials XVI, 1098508 (20 May 2019); doi: 10.1117/12.2520612
Show Author Affiliations
Syed N. Qadri, U.S. Naval Research Lab. (United States)
Shyam S. Bayya, U.S. Naval Research Lab. (United States)
Guillermo Villalobos, U.S. Naval Research Lab. (United States)
Woohong Kim, U.S. Naval Research Lab. (United States)
Michael Hunt, U.S. Naval Research Lab. (United States)
Lynda E. Busse, U.S. Naval Research Lab. (United States)
Jesse A. Frantz, U.S. Naval Research Lab. (United States)
L. Brandon Shaw, U.S. Naval Research Lab. (United States)
Jasbinder S. Sanghera, U.S. Naval Research Lab. (United States)
Bryan Sadowski, KeyW Corp. (United States)
Robert Miklos, KeyW Corp. (United States)
Ishwar D. Aggarwal, The Univ. of North Carolina at Charlotte (United States)
Christopher R. Wilson, The Univ. of North Carolina at Charlotte (United States)


Published in SPIE Proceedings Vol. 10985:
Window and Dome Technologies and Materials XVI
W. Howard Poisl, Editor(s)

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