OBSERVATION OF NEAR-FORWARD STIMULATED BRILLOUIN-SCATTERING FROM A LASER-PRODUCED PLASMA

被引:13
作者
BATHA, SH
BRADLEY, KS
BALDIS, HA
DRAKE, RP
ESTABROOK, K
JOHNSTON, TW
MONTGOMERY, DS
机构
[1] UNIV CALIF DAVIS,PLASMA PHYS RES INST,DAVIS,CA 95616
[2] LAWRENCE LIVERMORE NATL LAB,LIVERMORE,CA 94550
[3] UNIV CALIF DAVIS,DEPT APPL SCI,DAVIS,CA 95616
[4] INST NATL RECH SCI ENERGIE VARENNES,VARENNES J3X 1S2,PQ,CANADA
关键词
D O I
10.1103/PhysRevLett.70.802
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The first experimental measurements of near-forward scattering from a plasma at wavelengths near the pump wavelength are presented. Simultaneous, time-resolved spectra from several oblique forward angles show the characteristic wavelength shift associated with scattering from an ion wave. Energy measurements show that forward scattering is stronger than backscattering. The angular distribution of forward scattered energy is in qualitative agreement with the simple convective-instability theory of stimulated Brillouin scattering.
引用
收藏
页码:802 / 805
页数:4
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