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

Tatiana E. Itina; Olivier Utéza; Nicolas Sanner; Marc Sentis

doi:10.1117/12.782263

12 May 2008 Ultra-short laser interaction with metals and optical multi-layer materials: transport phenomena and damage thresholds

Tatiana E. Itina, Olivier Utéza, Nicolas Sanner, Marc Sentis

Author Affiliations +

Proceedings Volume 7005, High-Power Laser Ablation VII; 70050N (2008) https://doi.org/10.1117/12.782263
Event: High-Power Laser Ablation 2008, 2008, Taos, New Mexico, United States

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.

Citation Download Citation

Tatiana E. Itina, Olivier Utéza, Nicolas Sanner, and Marc Sentis "Ultra-short laser interaction with metals and optical multi-layer materials: transport phenomena and damage thresholds", Proc. SPIE 7005, High-Power Laser Ablation VII, 70050N (12 May 2008); https://doi.org/10.1117/12.782263

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