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Proceedings Paper

Development of a process model for CO2 laser mitigation of damage growth in fused silica
Author(s): Michael D. Feit; Alexander M. Rubenchik; Charles D. Boley; Mark D. Rotter
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Paper Abstract

A numerical model of CO2 laser mitigation of damage growth in fused silica has been constructed that accounts for laser energy absorption, heat conduction, radiation transport, evaporation of fused silica and thermally induced stresses. This model will be used to understand scaling issues and effects of pulse and beam shapes on material removal, temperatures reached and stresses generated. Initial calculations show good agreement of simulated and measured material removal. The model has also been applied to LG-770 glass as a prototype red blocker material.

Paper Details

Date Published: 10 June 2004
PDF: 10 pages
Proc. SPIE 5273, Laser-Induced Damage in Optical Materials: 2003, (10 June 2004); doi: 10.1117/12.523867
Show Author Affiliations
Michael D. Feit, Lawrence Livermore National Lab. (United States)
Alexander M. Rubenchik, Lawrence Livermore National Lab. (United States)
Charles D. Boley, Lawrence Livermore National Lab. (United States)
Mark D. Rotter, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 5273:
Laser-Induced Damage in Optical Materials: 2003
Gregory J. Exarhos; Arthur H. Guenther; Norbert Kaiser; Keith L. Lewis; M. J. Soileau; Christopher J. Stolz, Editor(s)

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