Laser hole boring into overdense plasma and relativistic electron currents for fast ignition of ICF targets

被引：224
|
作者：
Pukhov, A [1 ]
MeyerTerVehn, J [1 ]
机构：
[1] MOSCOW INST PHYS & TECHNOL,DOLGOPRUDNYI,MOSCOW REGION,RUSSIA
来源：
PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 14期
关键词：
D O I：
10.1103/PhysRevLett.79.2686
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Laser hole boring and relativistic electron transport into plasma of 10 times critical density is studied by means of 2D particle-in-cell simulation. At intensities of I-0 lambda(2) = 10(20) W cm(-2) mu m(2), a channel 12 lambda deep and 3 lambda in diameter has formed after 200 laser cycles. The laser driven electron current carries up to 40% of the incident laser power. When penetrating the overdense region, it breaks up into several filaments at early times, but is channeled into a single magnetized jet later on. These features are essential for fast ignition of targets for inertial confinement fusion (ICF).
引用
收藏
页码：2686 / 2689
页数：4
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