Large-amplitude ion acoustic waves in a laser-produced plasma

C. Labaune, H. A. Baldis, N. Renard, E. Schifano, S. D. Baton, A. Michard, W. Seka, R. E. Bahr, B. S. Bauer, K. Baker, K. Estabrook

Research output: Contribution to journalArticlepeer-review

Abstract

The frequency and wave number of ion acoustic waves (IAWs), with wave numbers corresponding to stimulated Brillouin scattering (SBS), have been measured as a function of the laser intensity, with time-resolved collective Thomson scattering. At high intensities (I>1013 W/cm2), the scattered light contains a novel component with a large frequency shift, in addition to light frequency shifted by the amount anticipated 2k0cs for SBS-driven ion waves. This is the first observation of large IAWs driven by the interaction laser and not necessarily associated with a parametric instability.

Original languageEnglish
Pages (from-to)248-251
Number of pages4
JournalPhysical Review Letters
Volume75
Issue number2
DOIs
Publication statusPublished - 1 Jan 1995

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