Hydrodynamic simulation of the ablation of metals by femtosecond laser pulses

Jean-Philippe Colombier; Eric Audouard; Patrick Combis; Florian E. Bonneau; R. Le Harzic

doi:10.1117/12.546301

20 September 2004 Hydrodynamic simulation of the ablation of metals by femtosecond laser pulses

Jean-Philippe Colombier, Eric Audouard, Patrick Combis, Florian E. Bonneau, R. Le Harzic

Proceedings Volume 5448, High-Power Laser Ablation V; (2004) https://doi.org/10.1117/12.546301
Event: High-Power Laser Ablation, 2004, Taos, New Mexico, United States

Abstract

In the range of intensity 10¹³-10¹⁴ W/cm², material processing with ultrashort laser pulses is characterized by the absence of a plasma shielding effect and a small heat affected zone. The understanding of sub-picosecond laser pulse effects involves detailed study of laser-solid interaction processes. The dependence on fluence and pulse duration of the ablation rate can be studied experimentally. To analyse the laser-metal ablation mechanisms, we have inserted an electron-ion decoupling into a hydrodynamic code. The hydrodynamic simulations reveal many details of the processes yielding ablation.

Citation Download Citation

Jean-Philippe Colombier, Eric Audouard, Patrick Combis, Florian E. Bonneau, and R. Le Harzic "Hydrodynamic simulation of the ablation of metals by femtosecond laser pulses", Proc. SPIE 5448, High-Power Laser Ablation V, (20 September 2004); https://doi.org/10.1117/12.546301

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