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High-intensity ultrashort laser-induced ablation of stainless steel foil targets in the presence of ambient gas

  • A. DI BERNARDO (a1), C. COURTOIS (a2), B. CROS (a2), G. MATTHIEUSSENT (a2), D. BATANI (a1), T. DESAI (a1), F. STRATI (a1) and G. LUCCHINI (a1)...

Abstract

Ablation depths of stainless steel targets irradiated by 80-fs laser pulses at a flux F ≤ 40 J/cm2 (intensity ≤ 5 × 1014 W/cm2) in the presence of air at atmospheric pressure are experimentally measured. These values are lower than the theoretical predictions for metal targets in vacuum. Results are analyzed on the basis of the role of the ambient gas and of crater formation on the behavior of the ablated material.

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Corresponding author

Address correspondence and reprint requests to: A. Di Bernardo, Dipartimento di Fisica “G. Occhialini” and INFM, Università degli Studi di Milano-Bicocca, 20126 Milano, Italy.

Keywords

High-intensity ultrashort laser-induced ablation of stainless steel foil targets in the presence of ambient gas

  • A. DI BERNARDO (a1), C. COURTOIS (a2), B. CROS (a2), G. MATTHIEUSSENT (a2), D. BATANI (a1), T. DESAI (a1), F. STRATI (a1) and G. LUCCHINI (a1)...

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