Size-selection initiation model extended to include shape and random factors

John B. Trenholme; Michael D. Feit; Alexander M. Rubenchik

doi:10.1117/12.638834

7 February 2006 Size-selection initiation model extended to include shape and random factors

John B. Trenholme, Michael D. Feit, Alexander M. Rubenchik

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Proceedings Volume 5991, Laser-Induced Damage in Optical Materials: 2005; 59910X (2006) https://doi.org/10.1117/12.638834
Event: Boulder Damage Symposium XXXVII: Annual Symposium on Optical Materials for High Power Lasers, 2005, Boulder, CO, United States

Abstract

The Feit-Rubenchik size-selection damage model has been extended in a number of ways. More realistic thermal deposition profiles have been added. Non-spherical shapes (rods and plates) have been considered, with allowance for their orientation dependence. Random variations have been taken into account. An explicit form for the change of absorptivity with precursor size has been added. A simulation tool called GIDGET has been built to allow adjustment of the many possible parameters in order to fit experimental data of initiation density as a function of fluence and pulse duration. The result is a set of constraints on the possible properties of initiation precursors.

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John B. Trenholme, Michael D. Feit, and Alexander M. Rubenchik "Size-selection initiation model extended to include shape and random factors", Proc. SPIE 5991, Laser-Induced Damage in Optical Materials: 2005, 59910X (7 February 2006); https://doi.org/10.1117/12.638834

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