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Proceedings Paper

Hydrodynamic simulation of the ablation of metals by femtosecond laser pulses
Author(s): Jean-Philippe Colombier; Eric Audouard; Patrick Combis; Florian E. Bonneau; R. Le Harzic
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Paper 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.

Paper Details

Date Published: 20 September 2004
PDF: 6 pages
Proc. SPIE 5448, High-Power Laser Ablation V, (20 September 2004); doi: 10.1117/12.546301
Show Author Affiliations
Jean-Philippe Colombier, CEA/DAM-Ile de France (France)
TSI, CNRS and Univ. Jean Monnet Saint-Etienne (France)
Eric Audouard, TSI, CNRS and Univ. Jean Monnet Saint-Etienne (France)
Patrick Combis, CEA/DAM-Ile de France (France)
Florian E. Bonneau, CEA-DAM Ile de France (France)
R. Le Harzic, TSI, CNRS and Univ. Jean Monnet Saint-Etienne (France)

Published in SPIE Proceedings Vol. 5448:
High-Power Laser Ablation V
Claude R. Phipps, Editor(s)

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