Improved laser-to-proton conversion efficiency in isolated reduced mass targets

被引：7

作者：

Morace, A. ^{[1
,2
]}

Bellei, C. ^{[3
]}

Bartal, T. ^{[1
]}

Willingale, L. ^{[4
]}

Kim, J. ^{[1
]}

Maksimchuk, A. ^{[4
]}

Krushelnick, K. ^{[4
]}

Wei, M. S. ^{[1
,5
]}

Patel, P. K. ^{[3
]}

Batani, D. ^{[6
]}

Piovella, N. ^{[2
]}

Stephens, R. B. ^{[5
]}

Beg, F. N. ^{[1
]}

机构：

[1] Univ Calif San Diego, Energy Res Ctr, La Jolla, CA 92093 USA

[2] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[3] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[4] Univ Michigan, Ann Arbor, MI 48109 USA

[5] Gen Atom, San Diego, CA 92121 USA

[6] Univ Bordeaux, CNRS, CEA, CELIA Ctr Lasers Intenses & Applicat,UMR 5107, F-33405 Talence, France

来源：

APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 05期

关键词：

SOLID TARGETS; BEAMS; PLASMA; ELECTRON; PULSES;

D O I：

10.1063/1.4816595

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present experimental results of laser-to-proton conversion efficiency as a function of lateral confinement of the refluxing electrons. Experiments were carried out using the T-Cubed laser at the Center for Ultrafast Optical Science, University of Michigan. We demonstrate that the laser-to-proton conversion efficiency increases by 50% with increased confinement of the target from surroundings with respect to a flat target of the same thickness. Three-dimensional hybrid particle-in-cell simulations using LSP code agree with the experimental data. The adopted target design is suitable for high repetition rate operation as well as for Inertial Confinement Fusion applications. (C) 2013 AIP Publishing LLC.

引用

页数：5

共 19 条

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