Surface transport of energetic electrons in intense picosecond laser-foil interactions

被引：32

作者：

Gray, R. J. ^{[1
]}

Yuan, X. H. ^{[1
]}

Carroll, D. C. ^{[1
]}

Brenner, C. M. ^{[1
,2
]}

Coury, M. ^{[1
]}

Quinn, M. N. ^{[1
]}

Tresca, O. ^{[1
]}

Zielbauer, B.

Aurand, B.

Bagnoud, V.

Fils, J.

Kuehl, T.

Lin, X. X. ^{[3
]}

Li, C. ^{[3
]}

Li, Y. T. ^{[3
]}

Roth, M. ^{[4
]}

Neely, D.

McKenna, P. ^{[1
]}

机构：

[1] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland

[2] STFC Rutherford Appleton Lab, Cent Laser Facil, Didcot OX11 0QX, Oxon, England

[3] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

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

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 17期

基金：

英国工程与自然科学研究理事会; 中国国家自然科学基金;

关键词：

IGNITION; LIGHT;

D O I：

10.1063/1.3655909

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The angular distribution of energetic electrons emitted from thin foil targets irradiated by intense, picosecond laser pulses is measured as a function of laser incidence angle, intensity, and polarization. Although the escaping fast electron population is found to be predominantly transported along the target surface for incidence angles >= 65 degrees, in agreement with earlier work at lower intensities, rear-surface proton acceleration measurements reveal that a significant electron current is also transported longitudinally within the target, irrespective of incident angle. These findings are of interest to many applications of laser-solid interactions, including advanced schemes for inertial fusion energy. (C) 2011 American Institute of Physics. [doi:10.1063/1.3655909]

引用

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