Laser plasma instability in indirect-drive inertial confinement fusion

被引：5

作者：

Yang Dong ^{[1
,2
]}

Li ZhiChao ^{[1
]}

Li SanWei ^{[1
]}

Hao Liang ^{[3
]}

Li Xin ^{[3
]}

Guo Liang ^{[1
]}

Zou ShiYang ^{[3
]}

Jiang XiaoHua ^{[1
]}

Peng XiaoShi ^{[1
]}

Xu Tao ^{[1
]}

Li YuLong ^{[1
]}

Zheng ChunYang ^{[3
]}

Cai HongBo ^{[3
]}

Liu ZhanJun ^{[3
]}

Zheng Jian ^{[2
]}

Gong Tao ^{[1
]}

Wang ZheBin ^{[1
]}

Li Hang ^{[1
]}

Kuang LongYu ^{[1
]}

Li Qi ^{[1
]}

Wang Feng ^{[1
]}

Liu ShenYe ^{[1
]}

Yang JiaMin ^{[1
]}

Jiang ShaoEn ^{[1
]}

Zhang BaoHan ^{[1
]}

Ding YongKun ^{[3
]}

机构：

[1] China Acad Engn Phys, Res Ctr Laser Fus, Mianyang 621900, Sichuan, Peoples R China

[2] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China

[3] Inst Appl Phys & Computat Math, Beijing 100080, Peoples R China

来源：

SCIENTIA SINICA-PHYSICA MECHANICA & ASTRONOMICA | 2018年 / 48卷 / 06期

关键词：

laser fusion; Shenguang; laser plasma instability; scattered light;

D O I：

10.1360/SSPMA2018-00056

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In indirect-drive inertial confinement fusion (ICF), the incident laser beam could excite laser plasma instabilities (LPI) such as stimulated Brillouin scattering (SBS), stimulated Raman scattering (SRS) and two plasmon decay (TPD) besides gently heat the hohlraum through collisional absorption. These instabilities would largely reduce the X-ray conversion and degrade the drive symmetry of the radiation environment. In addition, when the amplitude of parametric instability increases to a certain level, there would be interplay between different instabilities, which makes LPI complicated and unpredictable. Therefore, LPI has become one of the major challenge in achieving ignition. LPI research during recent few years made great strides in identifying, understanding, and controlling instabilities in the context of laser fusion. This paper reviews the progress in this important field according to laser (L), plasma (P), and instability (I). Prospects for the application of our improved understanding for indirect drive ICF and some exciting research opportunities are also discussed.

引用

页数：16

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