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Proceedings Paper

High-power optical coatings for a megajoule class ICF laser
Author(s): Mark R. Kozlowski; Ian M. Thomas; Jack H. Campbell; Frank Rainer
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Paper Abstract

As a consequence of advancements in Inertial Confinement Fusion research, LLNL is developing plans for a new 1.5 to 2 mega-joule solid-state Nd:glass laser designed to achieve fusion ignition. The new design is possible in part due to advances in optical coatings suitable for highpower laser systems. High damage threshold mirrors and polarizers are comprised of electronbeam deposited dielectric multilayers. Subthreshold illumination, or laser conditioning, of the multilayer coatings results in an increase in the damage thresholds by factors of 2 to 3 at 1.06pm, thus meeting the fluence requirements of the advanced architecture. For anti-reflective coatings, protective organic coatings for non-linear crystals and phase plates for beam smoothing, sol-gel films provide high damage thresholds coatings at low cost.

Paper Details

Date Published: 15 April 1993
PDF: 15 pages
Proc. SPIE 1780, Lens and Optical Systems Design, 17802L (15 April 1993); doi: 10.1117/12.983267
Show Author Affiliations
Mark R. Kozlowski, Lawrence Livermore National Lab. (United States)
Ian M. Thomas, Lawrence Livermore National Lab. (United States)
Jack H. Campbell, Lawrence Livermore National Lab. (United States)
Frank Rainer, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 1780:
Lens and Optical Systems Design
Hannfried Zuegge, Editor(s)

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