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Proceedings Paper

Engineering meter-scale laser resistant coatings for the near IR
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Paper Abstract

Laser resistant coatings are needed for beam steering (mirrors), pulse switching (polarizers), and high transport efficiency on environmental barriers (windows / lenses) on large laser systems. A range of defects limit the exposure fluence of these coatings. By understanding the origin and damage mechanisms for these defects, the deposition process can be optimized to realize coatings with greater laser resistance. Electric field modeling can provide insight into which defects are most problematic. Laser damage growth studies are useful for determining a functional laser damage criteria. Mitigation techniques such as micro-machining with a single-crystal diamond cutting tool or short pulse laser ablation using the burst technique can be used to arrest growth in damage sites to extend optic lifetime.

Paper Details

Date Published: 6 October 2005
PDF: 9 pages
Proc. SPIE 5963, Advances in Optical Thin Films II, 59630Y (6 October 2005); doi: 10.1117/12.625422
Show Author Affiliations
Christopher J. Stolz, Lawrence Livermore National Lab. (United States)
John Adams, Lawrence Livermore National Lab. (United States)
Michael D. Shirk, Lawrence Livermore National Lab. (United States)
Mary A. Norton, Lawrence Livermore National Lab. (United States)
Timothy L. Weiland, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 5963:
Advances in Optical Thin Films II
Claude Amra; Norbert Kaiser; H. Angus Macleod, Editor(s)

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