OBSERVATION OF BURN AND PUSHER REGIONS OF LASER-DRIVEN LARGE-HIGH-ASPECT-RATIO TARGET BY ALPHA-PARTICLE IMAGING

被引:4
作者
CHEN, YW [1 ]
MIYANAGA, N [1 ]
YAMANAKA, M [1 ]
AZECHI, H [1 ]
NISHIHARA, K [1 ]
YAMANAKA, T [1 ]
NAKAI, S [1 ]
YAMANAKA, C [1 ]
机构
[1] INST LASER TECHNOL,NISHI KU,OSAKA 550,JAPAN
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1990年 / 29卷 / 10期
关键词
A-paticle image; Burn region; CR-39 plastic track detector; Implosion uniformity; Laser fusion; Pinhole camera; Pusher region;
D O I
10.1143/JJAP.29.2135
中图分类号
O59 [应用物理学];
学科分类号
摘要
The deuterium-tritium (D-T) thermonuclear reaction region of a laser-driven large-high-aspect-ratio target, which contains D-T mixture gas, has been diagnosed with an α-particle imaging technique using a pinhole camera. The residual pusher region at the maximum compression has also been observed as an image of scattered α-particles. Comparison between the α-particle image and a two-dimensional hydrodynamic simulation shows that laser energy balance significantly influences the implosion uniformity. © 1990 IOP Publishing Ltd.
引用
收藏
页码:2135 / 2138
页数:4
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