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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 14, Iss. 10 — Oct. 1, 1997
  • pp: 2716–2722

Ablation of metals by ultrashort laser pulses

S. Nolte, C. Momma, H. Jacobs, A. Tünnermann, B. N. Chichkov, B. Wellegehausen, and H. Welling  »View Author Affiliations


JOSA B, Vol. 14, Issue 10, pp. 2716-2722 (1997)
http://dx.doi.org/10.1364/JOSAB.14.002716


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Abstract

Ablation of metal targets by Ti:sapphire laser radiation is studied. The ablation depth per pulse is measured for laser pulse durations between 150 fs and 30 ps and fluences ranging from the ablation threshold 0.1 J/cm2 up to 10 J/cm2. Two different ablation regimes are observed for the first time. In both cases the ablation depth per pulse depends logarithmically on the laser fluence. A simple theoretical model for a qualitative description of the experimental results is presented.

© 1997 Optical Society of America

Citation
S. Nolte, C. Momma, H. Jacobs, A. Tünnermann, B. N. Chichkov, B. Wellegehausen, and H. Welling, "Ablation of metals by ultrashort laser pulses," J. Opt. Soc. Am. B 14, 2716-2722 (1997)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-14-10-2716

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