Interaction of a high-intensity laser pulse with a surface: plasma generation, self-action, and instabilities

Victor A. Aleshkevich; Yaroslav V. Kartashov; P. A. Polyakov; Victor A. Vysloukh; A. S. Zhukarev

doi:10.1117/12.378187

25 February 2000 Interaction of a high-intensity laser pulse with a surface: plasma generation, self-action, and instabilities

Victor A. Aleshkevich, Yaroslav V. Kartashov, P. A. Polyakov, Victor A. Vysloukh, A. S. Zhukarev

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Proceedings Volume 4070, ALT '99 International Conference on Advanced Laser Technologies; (2000) https://doi.org/10.1117/12.378187
Event: ALT'99 International Conference: Advanced Laser Technologies, 1999, Potenza-Lecce, Italy

Abstract

The results of the theoretical analysis and computer simulations of the set of phenomena arising at high intensity subpicosecond laser pulse action on a solid target surface are presented. Surface damage processes are discussed including plasma creation, dynamics of the laser pulse interaction with the induced plasma layer, self- focusing and spatial instabilities of the laser beam. In particular a possibility of pulse energy density enhancement in plasma due to the self-focusing, self-organization and forging of dynamical structures and spatial instabilities are investigated. These structures are responsible for the creating of superstrong magnetic fields and appearance of ultrafast electrons with energy up to 50 MeV. Our researches are initiated by the latest experimental achievements and serve for the purposes of their theoretical support.

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Victor A. Aleshkevich, Yaroslav V. Kartashov, P. A. Polyakov, Victor A. Vysloukh, and A. S. Zhukarev "Interaction of a high-intensity laser pulse with a surface: plasma generation, self-action, and instabilities", Proc. SPIE 4070, ALT '99 International Conference on Advanced Laser Technologies, (25 February 2000); https://doi.org/10.1117/12.378187

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