Artificial collimation of fast-electron beams with two laser pulses.
Artificial collimation of fast-electron beams with two laser pulses.
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DOI：
10.1103/physrevlett.100.025002
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发表时间：
2008-01
影响因子：
8.6
通讯作者：
A. Robinson;M. Sherlock;M. Sherlock;P. Norreys;P. Norreys
中科院分区：
文献类型：
--
作者：
A. Robinson;M. Sherlock;M. Sherlock;P. Norreys;P. Norreys
本文提出了一种人工准直高强度（>10（19）W cm（-2））激光与固体相互作用中产生的快电子束的方案。该方案使用的激光脉冲在相对论阈值（约10（18）W cm（-2））之前的高强度脉冲预产生准直磁场。这一概念得到了分析计算和数值计算的支持，使用一种新的混合弗拉索夫-福克-普朗克代码称为LEDA。该方案对快点火惯性约束核聚变具有重要意义。
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 (approximately 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.