Laser-driven inertial ion focusing

被引：13
|
作者：
Zhuo, H. B. [1 ]
Yu, Wei [2 ,3 ]
Yu, M. Y. [3 ,4 ]
Xu, H. [1 ]
Wang, X. [2 ]
Shen, B. F. [2 ]
Sheng, Z. M. [5 ]
Zhang, J. [5 ]
机构：
[1] Natl Univ Def Technol, Sch Comp Sci, Natl Lab Parallel & Distributed Proc, Changsha 410073, Hunan, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
[3] Zhejiang Univ, Inst Fus Theory & Simulat, Hangzhou 310027, Peoples R China
[4] Ruhr Univ Bochum, Inst Theoret Phys 1, D-44780 Bochum, Germany
[5] Jiao Tong Univ, Dept Phys, Shanghai 200240, Peoples R China
来源：
PHYSICAL REVIEW E | 2009年 / 79卷 / 01期
关键词：
laser fusion; neutron sources; particle beam focusing; ELECTROSTATIC CONFINEMENT; FUSION;
D O I：
10.1103/PhysRevE.79.015401
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：
A Hohlraum-like configuration is proposed for realizing a simple compact source for neutrons. A laser pulse enters a tiny thin-shelled hollow-sphere target through a small opening and is self-consistently trapped in the cavity. The electrons in the inner shell-wall region are expelled by the light pressure. The resulting space-charge field compresses the local ions into a thin layer that becomes strongly heated. An inward expansion of ions into the shell cavity then occurs, resulting in the formation at the cavity center of a hot spot of ions at high density and temperature, similar to that in inertial electrostatic confinement.
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页数：4
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