MeV ion jets from short-pulse-laser interaction with thin foils

被引：401

作者：

Hegelich, M ^{[1
]}

Karsch, S

Pretzler, G

Habs, D

Witte, K

Guenther, W

Allen, M

Blazevic, A

Fuchs, J

Gauthier, JC

Geissel, M

Audebert, P

Cowan, T

Roth, M

机构：

[1] MPI Quantenopt, D-85748 Garching, Germany

[2] Univ Munich, D-85748 Garching, Germany

[3] Univ Siegen, D-57068 Siegen, Germany

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

[5] GSI Lab, D-64291 Darmstadt, Germany

[6] Ecole Polytech, LULI, F-91128 Palaiseau, France

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.89.085002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Collimated jets of carbon and fluorine ions up to 5 MeV/nucleon (similar to100 MeV) are observed from the rear surface of thin foils irradiated with laser intensities of up to 5x10 W-19/cm(2). The normally dominant proton acceleration could be surpressed by removing the hydrocarbon contaminants by resistive heating. This inhibits screening effects and permits effective energy transfer and acceleration of other ion species. The acceleration dynamics and the spatiotemporal distributions of the accelerating E fields at the rear surface of the target are inferred from the detailed spectra.

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页码：085002/1 / 085002/4

页数：4

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