Plasma channel formation and micromodification of KDP crystal by tightly focused Cr:forsterite femtosecond laser radiation

V. M. Gordienko; I. A. Makarov; P. M. Mikheev; A. A. Shashkov; V. S. Syrtsov; R. V. Volkov

doi:10.1117/12.674999

26 April 2006 Plasma channel formation and micromodification of KDP crystal by tightly focused Cr:forsterite femtosecond laser radiation

V. M. Gordienko, I. A. Makarov, P. M. Mikheev, A. A. Shashkov, V. S. Syrtsov, R. V. Volkov

Author Affiliations +

Proceedings Volume 6161, International Conference on Lasers, Applications, and Technologies 2005: Laser-Assisted Micro- and Nanotechnologies; 616105 (2006) https://doi.org/10.1117/12.674999
Event: International Conference on Lasers, Applications, and Technologies 2005, 2005, St. Petersburg, Russian Federation

Abstract

Experiments on single pulse plasma channel formation in non-linear KDP crystal by tightly focused (NA = 0.47) fundamental and doubled Cr:forsterite laser radiation with energy of 0.1 ÷ 10 μJ and 100 fs pulse duration were carried out. We propose the simple model of non-linear absorption of femtosecond laser radiation in plasma channel. This model allows estimate laser intensity in the channel and plasma parameters.

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V. M. Gordienko, I. A. Makarov, P. M. Mikheev, A. A. Shashkov, V. S. Syrtsov, and R. V. Volkov "Plasma channel formation and micromodification of KDP crystal by tightly focused Cr:forsterite femtosecond laser radiation", Proc. SPIE 6161, International Conference on Lasers, Applications, and Technologies 2005: Laser-Assisted Micro- and Nanotechnologies, 616105 (26 April 2006); https://doi.org/10.1117/12.674999

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