Blackbody thermoluminescence: the missing link to laser-induced damage in silica

P. Bouchut; F. Milesi; C. Da Maren; J.-G. Coutard

doi:10.1117/12.694526

15 January 2007 Blackbody thermoluminescence: the missing link to laser-induced damage in silica

P. Bouchut, F. Milesi, C. Da Maren, J.-G. Coutard

Proceedings Volume 6403, Laser-Induced Damage in Optical Materials: 2006; 64031E (2007) https://doi.org/10.1117/12.694526
Event: Boulder Damage Symposium XXXVIII: Annual Symposium on Optical Materials for High Power Lasers, 2006, Boulder, Colorado, United States

Abstract

Surface incandescence properties of proton implanted fused silica have been researched with a focused CO₂ laser. We have discovered that in the initial stage of incandescence a thermoluminescent peak appears. We call it blackbody thermoluminescence. In our silica samples, with a 100 micron spatial resolution, the blackbody thermoluminescence mapping reveals surface and sub surfaces defects made by the polishing process. We show how laser damage and laser conditioning are the same two facets of this blackbody thermoluminescence occurrence.

Citation Download Citation

P. Bouchut, F. Milesi, C. Da Maren, and J.-G. Coutard "Blackbody thermoluminescence: the missing link to laser-induced damage in silica", Proc. SPIE 6403, Laser-Induced Damage in Optical Materials: 2006, 64031E (15 January 2007); https://doi.org/10.1117/12.694526

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