Effect of filamentation of brillouin scattering in large underdense plasmas irradiated by incoherent laser light (vol 75, pg 4413, 1995)

Year: 1996

Authors: Afsharrad T., Gizzi LA., Dessleberger M., Willi O.

Autors Affiliation: Univ London Imperial Coll Sci & Technol, Blackett Lab, price Consort Rd, London SW7 2BZ England

Abstract: An experimental study of stimulated Brillouin backscatter (B-SBS), produced in a large ”homogeneous” underdense plasma using Induced spatially incoherent laserlight, is presented. The observations reveal that a strong correlation exists between the level of B-SBS and laser filamentation. It is suggested that a filamentory model of B-SBS is needed to better describe the scattering process under conditions of high laser irradiance and large plasma scale lengths.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 76 (17)      Pages from: 3242  to: 3246

KeyWords: smoothing techniques; instabilities;
DOI: 10.1103/PhysRevLett.76.3242

Citations: 5
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