GeV-scale electron acceleration in a gas-filled capillary discharge waveguide

被引：131

作者：

Karsch, S. ^{[1
]}

Osterhoff, J. ^{[1
]}

Popp, A. ^{[1
]}

Rowlands-Rees, T. P. ^{[2
]}

Major, Zs ^{[1
]}

Fuchs, M. ^{[1
,3
]}

Marx, B. ^{[1
,3
]}

Hoerlein, R. ^{[1
,3
]}

Schmid, K. ^{[1
,3
]}

Veisz, L. ^{[1
]}

Becker, S. ^{[3
]}

Schramm, U. ^{[4
]}

Hidding, B. ^{[5
]}

Pretzler, G. ^{[5
]}

Habs, D. ^{[3
]}

Gruener, F. ^{[1
]}

Krausz, F. ^{[1
,3
]}

Hooker, S. M. ^{[2
]}

机构：

[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

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

[3] Univ Munich, Sekt Phys, D-85748 Garching, Germany

[4] Forschungszentrum Dresden Rossendorf, D-01328 Dresden, Germany

[5] Univ Dusseldorf, Inst Laser & Plasmaphys, D-40225 Dusseldorf, Germany

来源：

NEW JOURNAL OF PHYSICS | 2007年 / 9卷

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1088/1367-2630/9/11/415

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report experimental results on laser-driven electron acceleration with low divergence. The electron beam was generated by focussing 750 mJ, 42 fs laser pulses into a gas-filled capillary discharge waveguide at electron densities in the range between 1018 and 10(19)cm(-3). Quasi-monoenergetic electron bunches with energies as high as 500 MeV have been detected, with features reaching up to 1 GeV, albeit with large shot-to-shot fluctuations. A more stable regime with higher bunch charge (20-45 pC) and less energy (200-300 MeV) could also be observed. The beam divergence and the pointing stability are around or below 1 mrad and 8 mrad, respectively. These findings are consistent with self-injection of electrons into a breaking plasma wave.

引用

页数：11

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