Vendor-based laser damage metrology equipment supporting the National Ignition Facility

Sheldon Schwartz; Richard T. Jennings; James F. Kimmons; Ron P. Mouser; Carolyn L. Weinzapfel; Mark R. Kozlowski; Christopher J. Stolz; Jack H. Campbell

doi:10.1117/12.354216

23 July 1999 Vendor-based laser damage metrology equipment supporting the National Ignition Facility

Sheldon Schwartz, Richard T. Jennings, James F. Kimmons, Ron P. Mouser, Carolyn L. Weinzapfel, Mark R. Kozlowski, Christopher J. Stolz, Jack H. Campbell

Author Affiliations +

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354216
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

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.

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Sheldon Schwartz, Richard T. Jennings, James F. Kimmons, Ron P. Mouser, Carolyn L. Weinzapfel, Mark R. Kozlowski, Christopher J. Stolz, and Jack H. Campbell "Vendor-based laser damage metrology equipment supporting the National Ignition Facility", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354216

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