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Proceedings Paper

Spatial filter issues
Author(s): James E. Murray; David Milam; Charles D. Boley; Kent G. Estabrook; Florian Bonneau
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Paper 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.

Paper Details

Date Published: 23 July 1999
PDF: 8 pages
Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); doi: 10.1117/12.354163
Show Author Affiliations
James E. Murray, Lawrence Livermore National Lab. (United States)
David Milam, Lawrence Livermore National Lab. (United States)
Charles D. Boley, Lawrence Livermore National Lab. (United States)
Kent G. Estabrook, Lawrence Livermore National Lab. (United States)
Florian Bonneau, Ctr. d'Etudes de Bruyeres-le-Chatel/CEA (France)


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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