Kinetic simulations of intense light pulses generated by Brillouin backscattering in laser-plasma interaction

C. Riconda; S. Weber; J. Fuchs; L. Lancia; J.-R. Marquès; G. Mourou

doi:10.1117/12.2021468

9 May 2013 Kinetic simulations of intense light pulses generated by Brillouin backscattering in laser-plasma interaction

C. Riconda, S. Weber, J. Fuchs, L. Lancia, J.-R. Marquès, G. Mourou

Author Affiliations +

Proceedings Volume 8779, Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III; 877921 (2013) https://doi.org/10.1117/12.2021468
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

Abstract

Due to their extremely high damage threshold, plasmas can sustain much higher light intensities than conventional solid state optical materials. Because of this, lately much attention has been devoted to the possibility of using parametric instabilities in plasmas to generate very intense light pulses in a low-cost way. Although short-pulse amplification based on the Raman approach has been successful and goes back a long time, it is shown that using Brillouin in the so called strong-coupling regime (sc-SBS) has several advantages and is very well suited to amplify and compress laser seed pulses on short distances to very high intensities. We present here recent multi-dimensional kinetic simulations that show the feasibility of achieving amplified light pulses of up to 10¹⁸W/cm². Contrary to what was traditionally thought, this scheme is able to amplify pulses of extremely short duration. Although seed amplification via sc-SBS has already been shown experimentally, these results suggest further experimental exploration, in order to improve the energy transfer.

Citation Download Citation

C. Riconda, S. Weber, J. Fuchs, L. Lancia, J.-R. Marquès, and G. Mourou "Kinetic simulations of intense light pulses generated by Brillouin backscattering in laser-plasma interaction", Proc. SPIE 8779, Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III, 877921 (9 May 2013); https://doi.org/10.1117/12.2021468

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