Laser-wakefield acceleration of electron beams in a low density plasma channel

被引：43

作者：

Ibbotson, T. P. A. ^{[1
]}

Bourgeois, N. ^{[1
]}

Rowlands-Rees, T. P. ^{[1
]}

Caballero, L. S. ^{[1
]}

Bajlekov, S. I. ^{[1
]}

Walker, P. A. ^{[1
]}

Kneip, S. ^{[2
]}

Mangles, S. P. D. ^{[2
]}

Nagel, S. R. ^{[2
]}

Palmer, C. A. J. ^{[2
]}

Delerue, N. ^{[3
]}

Doucas, G. ^{[3
]}

Urner, D. ^{[3
]}

Chekhlov, O. ^{[4
]}

Clarke, R. J. ^{[4
]}

Divall, E. ^{[4
]}

Ertel, K. ^{[4
]}

Foster, P. S. ^{[4
]}

Hawkes, S. J. ^{[4
]}

Hooker, C. J. ^{[4
]}

Parry, B. ^{[4
]}

Rajeev, P. P. ^{[4
]}

Streeter, M. J. V. ^{[4
]}

Hooker, S. M. ^{[1
]}

机构：

[1] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England

[2] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BZ, England

[3] Univ Oxford, John Adams Inst Accelerator Sci, Oxford OX1 3PU, England

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

来源：

PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS | 2010年 / 13卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

INTENSE; PULSES;

D O I：

10.1103/PhysRevSTAB.13.031301

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The generation of quasimonoenergetic electron beams, with energies greater than 500 MeV, in a laser-plasma accelerator driven by 2.5 J, 80 fs laser pulses guided in a low density plasma channel, is investigated. The laser energy required to achieve electron injection is found to depend strongly on the quality of the input laser focal spot. Simulations show that, although the matched spot size of the plasma channel is greater than the self-focused spot size, the channel assists relativistic self-focusing and enables electron injection to occur at lower plasma densities and laser powers than would be possible without a waveguide.

引用

页数：4

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