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Title: Numerical simulation of plasma-based raman amplification of laser pulses to petawatt powers
Authors: Trines, R. M. G.
Fiuza, F.
Fonseca, R. A.
Silva, L. O.
Bingham, R.
Cairns, R. A.
Norreys, P.
Keywords: Lasers
optical pulse compression
Raman scattering
Issue Date: 2011
Publisher: IEEE Nuclear and Plasma Sciences Society
Abstract: Contemporary high-power laser systems make use of solid-state laser technology to reach petawatt pulse powers. The breakdown threshold for optical components in these systems, however, demands beam diameters up to 1 m. Raman amplification of laser beams promises a breakthrough by the use of much smaller amplifying media, i.e., millimeter-diameter-wide plasmas. Through the first large-scale multidimensional particle-in-cell simulations of this process, we have identified the parameter regime where multipetawatt peak laser powers can be reached, while the influence of damaging laser-plasma instabilities is only minor. Snapshots of the probe laser pulse being amplified, generated using state-of-the-art visualization techniques, are presented.
Description: WOS:000299683400284 (Nº de Acesso Web of Science)
Peer reviewed: Sim
ISSN: 0093-3813
Publisher version: The definitive version is available at:
Appears in Collections:CTI-RI - Artigos em revistas científicas internacionais com arbitragem científica

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