Effect of self-injection on ultraintense laser wake-field acceleration

被引：33

作者：

Zhidkov, A

Koga, J

Kinoshita, K

Uesaka, M

机构：

[1] Univ Tokyo, Grad Sch Engn, Nucl Engn Res Lab, Naka, Ibaraki 3191188, Japan

[2] Japan Atom Energy Res Inst, Adv Photon Res Ctr, Kizuchou, Kyoto 6190215, Japan

来源：

PHYSICAL REVIEW E | 2004年 / 69卷 / 03期

关键词：

D O I：

10.1103/PhysRevE.69.035401

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The self-injection of plasma electrons which have been accelerated to relativistic energies by a laser pulse moving with a group velocity less than the speed of light with Ilambda(2)>5x10(19) W mum(2)/cm(2) is found via particle-in-cell simulation to be efficient for laser wake-field acceleration. When the matching condition a(0)greater than or equal to(2(1/4)omega/omega(pl))(2/3) is met, the self-injection, along with wave breaking, dominates monoenergetic electron acceleration yielding up to 100 MeV energies by a 100 TW, 20 fs laser pulse. In contrast to the injection due to wave-breaking processes, self-injection allows suppression of production of a Maxwell distribution of accelerated particles and the extraction of a beam-quality bunch of energetic electrons.

引用

页码：035401 / 1

页数：4

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