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arXiv · 1502.07722

Modeling crater formation in femtosecond-pulse laser damage from basic principles

Robert A. Mitchell·Douglass W. Schumacher·Enam A. Chowdhury
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Abstract

We present the first fundamental simulation method for the determination of crater morphology due to femtosecond-pulse laser damage. To this end we have adapted the particle-in-cell (PIC) method commonly used in plasma physics for use in the study of laser damage, and developed the first implementation of a pair-potential for PIC codes. We find that the PIC method is a complementary approach to modeling laser damage, bridging the gap between fully ab-initio molecular dynamics approaches and empirical models. We demonstrate our method by modeling a femtosecond-pulse laser incident on a flat copper slab, for a range of intensities.

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Robert A. Mitchell, Douglass W. Schumacher, Enam A. Chowdhury. 2015-02-26. Modeling crater formation in femtosecond-pulse laser damage from basic principles. https://doi.org/10.1364/ol.40.002189

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