Comparison of laser ion acceleration from the front and rear surfaces of thin foils -: art. no. 045004

被引：135

作者：

Fuchs, J ^{[1
]}

Sentoku, Y

Karsch, S

Cobble, J

Audebert, P

Kemp, A

Nikroo, A

Antici, P

Brambrink, E

Blazevic, A

Campbell, EM

Fernández, JC

Gauthier, JC

Geissel, M

Hegelich, M

Pépin, H

Popescu, H

Renard-LeGalloudec, N

Roth, M

Schreiber, J

Stephens, R

Cowan, TE

机构：

[1] Gen Atom Co, San Diego, CA 92121 USA

[2] Univ Paris 06, Ecole Polytech, CEA, CNRS,UMR 7605,Lab Utilisat Lasers Intenses, Palaiseau, France

[3] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[4] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[5] Tech Univ Darmstadt, D-64289 Darmstadt, Germany

[6] Univ Nevada, Dept Phys, Reno, NV 89557 USA

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.94.045004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The comparative efficiency and beam characteristics of high-energy ions generated by high-intensity short-pulse lasers (similar to1-6x10(19) W/cm(2)) from both the front and rear surfaces of thin metal foils have been measured under identical conditions. Using direct beam measurements and nuclear activation techniques, we find that rear-surface acceleration produces higher energy particles with smaller divergence and a higher efficiency than front-surface acceleration. Our observations are well reproduced by realistic particle-in-cell simulations, and we predict optimal criteria for future applications.

引用

页数：4

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