Fail-safe design for square vacuum-barrier windows

Tayyab I. Suratwala; Jack H. Campbell; William A. Steele; Rusty A. Steele

doi:10.1117/12.354188

23 July 1999 Fail-safe design for square vacuum-barrier windows

Tayyab I. Suratwala, Jack H. Campbell, William A. Steele, Rusty A. Steele

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354188
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

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.

Citation Download Citation

Tayyab I. Suratwala, Jack H. Campbell, William A. Steele, and Rusty A. Steele "Fail-safe design for square vacuum-barrier windows", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354188

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