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Proceedings Paper

Optical propagation modeling for the National Ignition Facility
Author(s): Wade H. Williams; Jerome M. Auerbach; Mark A. Henesian; Kenneth S. Jancaitis; Kenneth R. Manes; Naresh C. Mehta; Charles D. Orth; Richard A. Sacks; Michael J. Shaw; Clifford Clay Widmayer
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Paper Abstract

Optical propagation modeling of the National Ignition Facility has been utilized extensively from conceptual design several years ago through to early operations today. In practice we routinely (for every shot) model beam propagation starting from the waveform generator through to the target. This includes the regenerative amplifier, the 4-pass rod amplifier, and the large slab amplifiers. Such models have been improved over time to include details such as distances between components, gain profiles in the laser slabs and rods, transient optical distortions due to the flashlamp heating of laser slabs, measured transmitted and reflected wavefronts for all large optics, the adaptive optic feedback loop, and the frequency converter. These calculations allow nearfield and farfield predictions in good agreement with measurements.

Paper Details

Date Published: 28 May 2004
PDF: 7 pages
Proc. SPIE 5341, Optical Engineering at the Lawrence Livermore National Laboratory II: The National Ignition Facility, (28 May 2004); doi: 10.1117/12.538476
Show Author Affiliations
Wade H. Williams, Lawrence Livermore National Lab. (United States)
Jerome M. Auerbach, Lawrence Livermore National Lab. (United States)
Mark A. Henesian, Lawrence Livermore National Lab. (United States)
Kenneth S. Jancaitis, Lawrence Livermore National Lab. (United States)
Kenneth R. Manes, Lawrence Livermore National Lab. (United States)
Naresh C. Mehta, Lawrence Livermore National Lab. (United States)
Charles D. Orth, Lawrence Livermore National Lab. (United States)
Richard A. Sacks, Lawrence Livermore National Lab. (United States)
Michael J. Shaw, Lawrence Livermore National Lab. (United States)
Clifford Clay Widmayer, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 5341:
Optical Engineering at the Lawrence Livermore National Laboratory II: The National Ignition Facility
Monya A. Lane; Craig R. Wuest, Editor(s)

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