Single-shot femtosecond laser ablation of copper: experiment vs. simulation

Enam Chowdhury; Kyle Kafka; Robert Mitchell; Alex M. Russell; Kevin Werner; Noah Talisa; Hui Li; Allen Yi; Douglass Schumacher

doi:10.1117/12.2195787

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23 November 2015 Single-shot femtosecond laser ablation of copper: experiment vs. simulation

Enam Chowdhury, Kyle Kafka, Robert Mitchell, Alex M. Russell, Kevin Werner, Noah Talisa, Hui Li, Allen Yi, Douglass Schumacher

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Proceedings Volume 9632, Laser-Induced Damage in Optical Materials: 2015; 96320R (2015) https://doi.org/10.1117/12.2195787
Event: SPIE Laser Damage, 2015, Boulder, Colorado, United States

Abstract

Single 5 and 40 femtosecond, near IR pulses with fluences varying from 0.4 – 80 J/cm² from a Ti:Sapphire laser was focused onto a single crystal Cu sample surface with 2.0 μm focal spot at 15 and 45 degree angle of incidence. The surface profiles after interaction were studied with an interferometric depth profiler (Wyko NT9100), and benchmarked against crater size and morphology predicted by 2D Particle-In-Cell (PIC) laser damage simulation model.

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Enam Chowdhury, Kyle Kafka, Robert Mitchell, Alex M. Russell, Kevin Werner, Noah Talisa, Hui Li, Allen Yi, and Douglass Schumacher "Single-shot femtosecond laser ablation of copper: experiment vs. simulation", Proc. SPIE 9632, Laser-Induced Damage in Optical Materials: 2015, 96320R (23 November 2015); https://doi.org/10.1117/12.2195787

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