A MODEL EXPERIMENT OF A DOUBLE-CONE TARGET USING A GAP TARGET

被引：1

作者：

Sakawa, Y. ^{[1
]}

Nakamura, H. ^{[1
]}

Oshima, S. ^{[1
]}

Hatakeyama, M. ^{[2
]}

Kageiwa, N. ^{[2
]}

Hino, S. ^{[2
]}

Tanimoto, S. ^{[2
]}

Tanabe, M. ^{[2
]}

Habara, H. ^{[2
]}

Homma, H. ^{[1
]}

Norimatsu, T. ^{[1
]}

Jitsuno, T. ^{[1
]}

Cai, H. ^{[1
]}

Zhou, W. ^{[2
]}

Johzaki, T. ^{[1
]}

Sunahara, A. ^{[3
]}

Nagatomo, H. ^{[1
]}

Nishimura, H. ^{[1
]}

Tanaka, K. A. ^{[1
,2
]}

Mima, K. ^{[1
]}

Azechi, H. ^{[1
]}

机构：

[1] Osaka Univ, Inst Laser Engn, 2-6 Yamadaoka, Suita, Osaka 5650871, Japan

[2] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan

[3] Inst Laser Technol, Suita, Osaka 5650871, Japan

来源：

SIXTH INTERNATIONAL CONFERENCE ON INERTIAL FUSION SCIENCES AND APPLICATIONS, PARTS 1-4 | 2010年 / 244卷

关键词：

D O I：

10.1088/1742-6596/244/4/042012

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：

We have conducted preliminary experiments to prove the vacuum-shielding effect using an Al-Cu double-foil (both Al and Cu foils are 1 mm x 1 mm x 10 mu mt) target with a vacuum-gap. Particle-in-cell simulation results have shown that the double-cone confines the electrons for hundreds of femtoseconds by the sheath electric field inside the vacuum-gap [ T. Nakamura, et al., Phys. Plasmas 14, 103105 (2007)]. Cu-K alpha intensity decreased with the vacuum-gap, i.e., the number of fast electrons that reached the Cu foil decreased with the gap. In the stack measurement, the number of electrons detected in the target surface direction increased with the gap. These results indicate that when the double-cone target is used, fast electrons created by an ignition laser can be reflected from the vacuum-gap, move along the cone surface, and be transferred towards the cone tip.

引用

页数：4

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