Multibeam stimulated brillouin scattering from hot, solid-target plasmas

We report on multibeam, laser-plasma interaction experiments in plasmas relevant to future direct-drive-ignition experiments. Six interaction beams are incident on preformed plasmas containing critical density. Stimulated Brillouin scattering (SBS) shows strong evidence of electromagnetic wave seedi...

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Bibliographic Details
Published in:Physical review letters 2002-10, Vol.89 (17), p.175002-175002, Article 175002
Main Authors: Seka, W, Baldis, H A, Fuchs, J, Regan, S P, Meyerhofer, D D, Stoeckl, C, Yaakobi, B, Craxton, R S, Short, R W
Format: Article
Language:English
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Summary:We report on multibeam, laser-plasma interaction experiments in plasmas relevant to future direct-drive-ignition experiments. Six interaction beams are incident on preformed plasmas containing critical density. Stimulated Brillouin scattering (SBS) shows strong evidence of electromagnetic wave seeding of side- and backscattering. The data are also consistent with shared ion waves driven by the six symmetrically arranged interaction beams. Early SBS quenching is observed and attributed to the hydrodynamics of the plasma.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.89.175002