23 July 1999 Spatial filter issues
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Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354163
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States
Abstract
Beamlet measurements show that cone pinholes outperform other types tested with regard to both closure and back reflections. A +/- 150 (mu) rad stainless steel cone remained open for a 15.5 kJ, 10:1 contrast shaped pulse with +/- 7.5 (mu) rad of SSD divergence, which more than meets the requirements for a NIF ignition pulse. Measurements also showed the maximum tolerable pressures in the NIF spatial filters to be a few milliTorr, leading to recommendations of 0.1 nd 0.6 mTorr for the NIF transport and cavity spatial filters, respectively.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
James E. Murray, James E. Murray, David Milam, David Milam, Charles D. Boley, Charles D. Boley, Kent G. Estabrook, Kent G. Estabrook, Florian Bonneau, Florian Bonneau, } "Spatial filter issues", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); doi: 10.1117/12.354163; https://doi.org/10.1117/12.354163
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