Progress toward the design of 3w mirrors: multilayer alternating stacks

Paul A. Sermon; Mariana S. W. Vong; Rita Badheka; David Grosso; James E. Andrew

doi:10.1117/12.294331

8 December 1997 Progress toward the design of 3w mirrors: multilayer alternating stacks

Paul A. Sermon, Mariana S. W. Vong, Rita Badheka, David Grosso, James E. Andrew

Proceedings Volume 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference; (1997) https://doi.org/10.1117/12.294331
Event: Second International Conference on Solid State Lasers for Application to ICF, 1996, Paris, France

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.

Citation Download Citation

Paul A. Sermon, Mariana S. W. Vong, Rita Badheka, David Grosso, and James E. Andrew "Progress toward the design of 3w mirrors: multilayer alternating stacks", Proc. SPIE 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference, (8 December 1997); https://doi.org/10.1117/12.294331

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