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Proceedings Paper

Using particle-in-cell simulations to model femtosecond pulse laser damage
Author(s): Robert A. Mitchell; Douglass Schumacher; Enam Chowdhury
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Paper Abstract

We present the first fundamental simulation method for the determination of crater morphology from femtosecond-pulse laser damage. To this end we have adapted the Particle-In-Cell (PIC) method for use in the study of laser damage, and developed the first implementation of a pair-potential for PIC codes. We discuss how 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.

Paper Details

Date Published: 31 October 2014
PDF: 6 pages
Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 92370X (31 October 2014); doi: 10.1117/12.2068228
Show Author Affiliations
Robert A. Mitchell, The Ohio State Univ. (United States)
Douglass Schumacher, The Ohio State Univ. (United States)
Enam Chowdhury, The Ohio State Univ. (United States)

Published in SPIE Proceedings Vol. 9237:
Laser-Induced Damage in Optical Materials: 2014
Gregory J. Exarhos; Vitaly E. Gruzdev; Joseph A. Menapace; Detlev Ristau; MJ Soileau; Detlev Ristau, Editor(s)

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