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Proceedings Paper

Current and Emerging Materials for 3-5 Micron IR Transmission
Author(s): Richard L. Gentilman
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Paper Abstract

New, more durable windows and domes will be required for future 3-5 micron IR systems. Various oxide and oxynitride crystalline materials are candidates for these new requirements, including sapphire, spinel, ALON, yttria, and MgO. These materials are compared with respect to optical properties, durability, and fabrication costs. Two extrinsic properties, thermal conductivity and fracture strength, have strong effects on thermal shock resistance. Birefringent polycrystalline materials will not have adequate optical resolution for future systems.

Paper Details

Date Published: 19 December 1986
PDF: 10 pages
Proc. SPIE 0683, Infrared and Optical Transmitting Materials, (19 December 1986); doi: 10.1117/12.936409
Show Author Affiliations
Richard L. Gentilman, Raytheon Company (United States)

Published in SPIE Proceedings Vol. 0683:
Infrared and Optical Transmitting Materials
Robert W. Schwartz, Editor(s)

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