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Proceedings Paper

Modeling max-of-n fluence distribution for optics lifetime
Author(s): Zhi M. Liao; John Hubel; John B. Trenholme; C. Wren Carr
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Paper Abstract

Local temporal shot-to-shot variation of a high-energy laser system is measured in order to model the maximum fluence that any location on the optic will be exposed to after N shots (Max-of-N). We constructed a model to derive an equivalent-Max-of-N fluence distribution from a series of shots of differing energy and contrast in order to calculate damage initiation and optics lifetime. This model allows prediction for Max-of-N effects when direct measurements of the fluence distribution are not available. Comparison to different laser systems will be presented in order to gain insight as to the physical origins of the Max-of-N effect.

Paper Details

Date Published: 22 November 2011
PDF: 7 pages
Proc. SPIE 8190, Laser-Induced Damage in Optical Materials: 2011, 81900W (22 November 2011); doi: 10.1117/12.899367
Show Author Affiliations
Zhi M. Liao, Lawrence Livermore National Lab. (United States)
John Hubel, Lawrence Livermore National Lab. (United States)
John B. Trenholme, Lawrence Livermore National Lab. (United States)
C. Wren Carr, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 8190:
Laser-Induced Damage in Optical Materials: 2011
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; M. J. Soileau, Editor(s)

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