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Proceedings Paper

Fail-safe design for square vacuum-barrier windows
Author(s): Tayyab I. Suratwala; Jack H. Campbell; William A. Steele; Rusty A. Steele
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Paper Abstract

Laser-induced damage on the tensile side of vacuum-barrier fused silica optics can result in catastrophic fracture. This fracture can lead to two possible modes of failure: a benign failure resulting in a slow air leak into the vacuum chamber or an implosion. In previous work, we measured fracture in round vacuum windows and lenses and proposed a 'fail-safe' design that would insure the benign failure mode by fracturing into only two parts, thus eliminating the possibility of implosion. In this paper we extend the previous work to include square vacuum-barrier windows and lenses.

Paper Details

Date Published: 23 July 1999
PDF: 10 pages
Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); doi: 10.1117/12.354188
Show Author Affiliations
Tayyab I. Suratwala, Lawrence Livermore National Lab. (United States)
Jack H. Campbell, Lawrence Livermore National Lab. (United States)
William A. Steele, Lawrence Livermore National Lab. (United States)
Rusty A. Steele, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 3492:
Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion
W. Howard Lowdermilk, Editor(s)

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