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Optical Engineering

Potential eye and sensor protection from tunable lasers by means of thin film aluminum mirrors
Author(s): James J. DiCillo; C. H. Winston Chen; W. R. Garrett; M. G. Payne; Douglas W. Templeton
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Paper Abstract

An experimental investigation was conducted of the feasibility in using thin film aluminum mirrors as components of an optical system designed to attenuate laser light. When the laser light is focused onto the surface of these mirrors, the aluminum film is vaporized. Using a unique optical geometry, the laser pulse is then returned to the initial damage spot to maximize attenuation. The amount of light that eventually emerges from the optical system is significantly reduced. Results indicate a maximum attenuation of incident light of more than a factor of 104. Variations of the principal experiment were performed to optimize results. An explanation of some phenomena involved and possible improvements are discussed.

Paper Details

Date Published: 1 March 1994
PDF: 6 pages
Opt. Eng. 33(3) doi: 10.1117/12.157689
Published in: Optical Engineering Volume 33, Issue 3
Show Author Affiliations
James J. DiCillo, Univ. of Tennessee/Knoxville (United States)
C. H. Winston Chen, Oak Ridge National Lab. (United States)
W. R. Garrett, Oak Ridge National Lab. (United States)
M. G. Payne, Oak Ridge National Lab. (United States)
Douglas W. Templeton, U.S. Army (United States)

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