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.
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页数：11
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