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Proceedings Paper

Shearographic Detection Of Flaws In Unity Vision Optical Components
Author(s): Douglas W. Templeton; Robert V. Goedert
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Paper Abstract

Unity vision equipment, such as periscopes and vision blocks, is used in combat vehicles to furnish the vehicle crew with a wide-angle, closed-hatch surveillance capability. The addition of filters to eliminate laser hazards from affecting crewmembers' eyes makes the testing of such filters essential in order to assure their physical and optical integrity. The hazard filters are glass with a thin-film coating and, depending on the application, cemented to polycarbonate or acrylic. This paper presents some preliminary results in the applicability of shearography for flaw detection in thin-film coatings and bonded optical components used in combat vehicle unity vision devices.

Paper Details

Date Published: 14 December 1988
PDF: 6 pages
Proc. SPIE 0955, Industrial Laser Interferometry II, (14 December 1988); doi: 10.1117/12.947664
Show Author Affiliations
Douglas W. Templeton, U.S. Army Tank-Automotive Command (United States)
Robert V. Goedert, U.S. Army Tank-Automotive Command (United States)


Published in SPIE Proceedings Vol. 0955:
Industrial Laser Interferometry II
Y.Y. Hung; Ryszard J. Pryputniewicz, Editor(s)

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