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Proceedings Paper

Progress toward the design of 3w mirrors: multilayer alternating stacks
Author(s): Paul A. Sermon; Mariana S. W. Vong; Rita Badheka; David Grosso; James E. Andrew
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Paper Abstract

At the first ICF conference some of the present authors described advances towards low-index silica AR coatings and high-index zirconia HR coatings on fused silica for use at 1.06 micrometers , where silica and zirconia coatings showed good laser-induced damage thresholds. Here progress towards full 3(omega) mirrors at 351 nm using well defined sol-gels to produce the necessary SiO2-ZrO2 stacks is described in detail. Results suggest that these SiO2-ZrO2 stacks have higher laser damage resistance than previous ones and that MgF2 and Sc2O3 alternatives may improve the mirrors still further. The nature of damage caused to these coatings by Nd-YAG laser at 355 nm operating with pulses of 11 ns duration and a beam 1 mm in diameter is also reported.

Paper Details

Date Published: 8 December 1997
PDF: 14 pages
Proc. SPIE 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference, (8 December 1997); doi: 10.1117/12.294331
Show Author Affiliations
Paul A. Sermon, Brunel Univ. (United Kingdom)
Mariana S. W. Vong, Brunel Univ. (United Kingdom)
Rita Badheka, Brunel Univ. (United Kingdom)
David Grosso, Brunel Univ. (United Kingdom)
James E. Andrew, AWE plc (United Kingdom)


Published in SPIE Proceedings Vol. 3047:
Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference
Michel L. Andre, Editor(s)

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