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Proceedings Paper

Long-lifetime low-contamination metal beam dumps for NIF spatial filters
Author(s): Mary A. Norton; Charles D. Boley; James E. Murray; Kurt H. Sinz; Kurt P. Neeb
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Paper Abstract

The management of back reflections and leakage through the Pockels cell and polarizer switch in the NIF beamlines requires robust beam dumps that can operate unattended for thousands of shots within the confines of the vacuum spatial filters. Off-line experiments and modeling have been used to investigate the use of metal for these beam dumps. We conclude that a stainless steel beam dump will have insufficient lifetime and will safely absorb fluences in the required range, from 1 J/cm2 to 4 kJ/cm2, at 1 micrometers .

Paper Details

Date Published: 23 July 1999
PDF: 11 pages
Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); doi: 10.1117/12.354212
Show Author Affiliations
Mary A. Norton, Lawrence Livermore National Lab. (United States)
Charles D. Boley, Lawrence Livermore National Lab. (United States)
James E. Murray, Lawrence Livermore National Lab. (United States)
Kurt H. Sinz, Lawrence Livermore National Lab. (United States)
Kurt P. Neeb, 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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