Computer-controlled measurements of laser-induced damage statistics on large optics

Michel A. Josse; Roger Courchinoux; Laurent Lamaignere; Jean-Christophe Poncetta; Thierry Donval; Herve Bercegol

doi:10.1117/12.585272

21 February 2005 Computer-controlled measurements of laser-induced damage statistics on large optics

Michel A. Josse, Roger Courchinoux, Laurent Lamaignere, Jean-Christophe Poncetta, Thierry Donval, Herve Bercegol

Proceedings Volume 5647, Laser-Induced Damage in Optical Materials: 2004; (2005) https://doi.org/10.1117/12.585272
Event: Boulder Damage Symposium XXXVI, 2004, Boulder, Colorado, United States

Abstract

This paper presents data reduction on an experimental set-up that we have recently developed at CESTA, France. It has been implemented to analyze laser-induced damage on optics dedicated to the Megajoule laser project. Our goal is to measure the damage fluence on samples under tests, using a statistical approach on a very large number of sites. The laser-induced damage density is accurately plotted as a function of laser fluence, by measuring the fluence of every single shot during the scan. This improvement of accuracy modifies dramatically the interpretation of the results that can be made, compared to raw data, considering the mean fluence only.

Citation Download Citation

Michel A. Josse, Roger Courchinoux, Laurent Lamaignere, Jean-Christophe Poncetta, Thierry Donval, and Herve Bercegol "Computer-controlled measurements of laser-induced damage statistics on large optics", Proc. SPIE 5647, Laser-Induced Damage in Optical Materials: 2004, (21 February 2005); https://doi.org/10.1117/12.585272

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