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Proceedings Paper

Vendor-based laser damage metrology equipment supporting the National Ignition Facility
Author(s): Sheldon Schwartz; Richard T. Jennings; James F. Kimmons; Ron P. Mouser; Carolyn L. Weinzapfel; Mark R. Kozlowski; Christopher J. Stolz; Jack H. Campbell
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Paper Abstract

A sizeable laser damage metrology effort is required as part of optics production and installation for the 192 beam NIF laser. The large quantities, high damage thresholds, and large apertures of polished and coated optics necessitates vendor-based metrology equipment to assure component quality during production. This equipment must be optimized to provide the required information as rapidly as possible with limited operator experience. This equipment must be optimized to provide the required information as rapidly as possible with limited operator experience. The damage metrology tools include: 1) platinum inclusion damage test system for laser amplifier slabs, 2) laser conditioning stations for mirrors and polarizers, and 3) mapping and damage testing stations for UV transmissive optics. Each system includes a commercial Nd:YAG laser, a translation stage of the optics, and diagnostics to evaluate damage. The scanning parameters, optical layout, and diagnostics vary with the test fluence required and the damage morphologies expected. This paper describes the technical objectives and milestones involved in fulfilling these metrology requirements at multiple vendors.

Paper Details

Date Published: 23 July 1999
PDF: 6 pages
Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); doi: 10.1117/12.354216
Show Author Affiliations
Sheldon Schwartz, Lawrence Livermore National Lab. (United States)
Richard T. Jennings, Lawrence Livermore National Lab. (United States)
James F. Kimmons, Lawrence Livermore National Lab. (United States)
Ron P. Mouser, Lawrence Livermore National Lab. (United States)
Carolyn L. Weinzapfel, Lawrence Livermore National Lab. (United States)
Mark R. Kozlowski, Lawrence Livermore National Lab. (United States)
Christopher J. Stolz, Lawrence Livermore National Lab. (United States)
Jack H. Campbell, 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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