Laser-plasma interactions in ignition-scale hohlraum plasmas

被引：149

作者：

MacGowan, BJ ^{[1
]}

Afeyan, BB ^{[1
]}

Back, CA ^{[1
]}

Berger, RL ^{[1
]}

Bonnaud, G ^{[1
]}

Casanova, M ^{[1
]}

Cohen, BI ^{[1
]}

Desenne, DE ^{[1
]}

DuBois, DF ^{[1
]}

Dulieu, AG ^{[1
]}

Estabrook, KG ^{[1
]}

Fernandez, JC ^{[1
]}

Glenzer, SH ^{[1
]}

Hinkel, DE ^{[1
]}

Kaiser, TB ^{[1
]}

Kalantar, DH ^{[1
]}

Kauffman, RL ^{[1
]}

Kirkwood, RK ^{[1
]}

Kruer, WL ^{[1
]}

Langdon, AB ^{[1
]}

Lasinski, BF ^{[1
]}

Montgomery, DS ^{[1
]}

Moody, JD ^{[1
]}

Munro, DH ^{[1
]}

Powers, LV ^{[1
]}

Rose, HA ^{[1
]}

Rousseaux, C ^{[1
]}

Turner, RE ^{[1
]}

Wilde, BH ^{[1
]}

Wilks, SC ^{[1
]}

Williams, EA ^{[1
]}

机构：

[1] LAWRENCE LIVERMORE NATL LAB, LIVERMORE, CA 94550 USA

来源：

PHYSICS OF PLASMAS | 1996年 / 3卷 / 05期

关键词：

D O I：

10.1063/1.872000

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Scattering of laser light by stimulated Brillouin scattering (SBS) and stimulated Raman scattering (SRS) is a concern for indirect drive inertial confinement fusion (ICF). The hohlraum designs for the National Ignition Facility (NIF) raise particular concerns due to the large scale and homogeneity of the plasmas within them. Experiments at Nova have studied laser-plasma interactions within large scale length plasmas that mimic many of the characteristics of the NIF hohlraum plasmas. Filamentation and scattering of laser light by SBS and SRS have been investigated as a function of beam smoothing and plasma conditions. Narrowly collimated SRS backscatter has been observed from low density, low-Z, plasmas, which are representative of the plasma filling most of the NIF hohlraum. SBS backscatter is found to occur in the high-Z plasma of gold ablated from the wall. Both SBS and SRS are observed to be at acceptable levels in experiments using smoothing by spectral dispersion (SSD). (C) 1996 American Institute of Physics.

引用

页码：2029 / 2040

页数：12

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