Artificial collimation of fast-electron beams with two laser pulses

被引：72
|
作者：
Robinson, A. P. L. [1 ]
Sherlock, M. [1 ,2 ]
Norreys, P. A. [1 ,3 ]
机构：
[1] Rutherford Appleton Lab, STFC, Cent Laser Facil, Didcot OX11 0QX, Oxon, England
[2] Univ Strathclyde, Dept Phys, SUP A, Glasgow G4 0NG, Lanark, Scotland
[3] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Plasma Phys Grp, London SW7 2BZ, England
来源：
PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 02期
关键词：
D O I：
10.1103/PhysRevLett.100.025002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A scheme for artificially collimating fast-electron beams produced in high intensity (> 10(19) W cm(-2)) laser-solid interactions is proposed. The scheme uses a laser pulse at the relativistic threshold (approximate to 10(18) W cm(-2)) that precedes the high intensity pulse to pregenerate a collimating magnetic field. This concept is supported by analytical calculations and numerical calculations performed using a novel hybrid-Vlasov-Fokker-Planck code called LEDA. This scheme may be highly useful for fast ignition inertial confinement fusion.
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页数：4
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