Development of a process model for CO 2 laser mitigation of damage growth in fused silica | Zendy

Michael D. Feit | Zendy; Alexander M. Rubenchik | Zendy; Charles D. Boley | Zendy; Mark D. Rotter | Zendy

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Development of a process model for CO 2 laser mitigation of damage growth in fused silica

Author(s) -

Michael D. Feit,

Alexander M. Rubenchik,

Charles D. Boley,

Mark D. Rotter

Publication year - 2004

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.523867

Subject(s) - materials science , evaporation , laser , absorption (acoustics) , thermal conduction , optics , laser beams , radiation , composite material , scaling , irradiation , thermodynamics , physics , geometry , mathematics , nuclear physics

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.

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