Using particle-in-cell simulations to model femtosecond pulse laser damage

Robert A. Mitchell III; Douglass Schumacher; Enam Chowdhury

doi:10.1117/12.2068228

31 October 2014 Using particle-in-cell simulations to model femtosecond pulse laser damage

Robert A. Mitchell III, Douglass Schumacher, Enam Chowdhury

Proceedings Volume 9237, Laser-Induced Damage in Optical Materials: 2014; 92370X (2014) https://doi.org/10.1117/12.2068228
Event: SPIE Laser Damage, 2014, Boulder, Colorado, United States

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.

Citation Download Citation

Robert A. Mitchell III, Douglass Schumacher, and Enam Chowdhury "Using particle-in-cell simulations to model femtosecond pulse laser damage", Proc. SPIE 9237, Laser-Induced Damage in Optical Materials: 2014, 92370X (31 October 2014); https://doi.org/10.1117/12.2068228

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