Influence of the processing parameters on the ultrashort laser ablation of metals

Petar A. Atanasov; Nikolay N. Nedialkov

doi:10.1117/12.739127

26 April 2007 Influence of the processing parameters on the ultrashort laser ablation of metals

Petar A. Atanasov, Nikolay N. Nedialkov

Proceedings Volume 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 63462Y (2007) https://doi.org/10.1117/12.739127
Event: XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2006, Gmunden, Austria

Abstract

Laser ablation of Al, Ni, Fe, and Cu was investigated for pulse durations of 0.1, 1 and 5 ps at fluences up to 100 J.cm^-2. The ablation depth per pulse was measured and the ablation thresholds were estimated. The increase of the pulse duration results in a decrease of the ablation rate. The presence of a molten phase is clearly expressed at fluences above 10 J.cm^-2. Molecular Dynamics simulation was used to model the laser ablation process in the case of Fe, Al and Ni.

Citation Download Citation

Petar A. Atanasov and Nikolay N. Nedialkov "Influence of the processing parameters on the ultrashort laser ablation of metals", Proc. SPIE 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 63462Y (26 April 2007); https://doi.org/10.1117/12.739127

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