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Proceedings Paper

Ultra-short laser interaction with metals and optical multi-layer materials: transport phenomena and damage thresholds
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Paper Abstract

In this paper, we are focused on the understanding the underlying physical mechanisms of femtosecond laser interactions with metallic and multi-layer optical materials. The results of the numerical modeling provide an estimation of damage and/or ablation threshold for different laser parameters (pulse duration, fluence, angle of incidence, polarization) and target material properties (metal, dielectric, or multilayer with variable metal layer thickness). These results are compared with the experimental measurements of the thresholds obtained by using different techniques. In particular, dielectric ionization and ablation mechanisms are analyzed based on the experimental findings.

Paper Details

Date Published: 12 May 2008
PDF: 10 pages
Proc. SPIE 7005, High-Power Laser Ablation VII, 70050N (12 May 2008); doi: 10.1117/12.782263
Show Author Affiliations
Tatiana E. Itina, Lab. of Lasers, Plasmas and Phtonic Processing, CNRS, Univ. de la Méditerranée (France)
Olivier Utéza, Lab. of Lasers, Plasmas and Phtonic Processing, CNRS, Univ. de la Méditerranée (France)
Nicolas Sanner, Lab. of Lasers, Plasmas and Phtonic Processing, CNRS, Univ. de la Méditerranée (France)
Marc Sentis, Lab. of Lasers, Plasmas and Phtonic Processing, CNRS, Univ. de la Méditerranée (France)


Published in SPIE Proceedings Vol. 7005:
High-Power Laser Ablation VII
Claude R. Phipps, Editor(s)

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