Propagation of relativistic electrons in low density foam targets

被引:2
|
作者
Ramakrishna, B. [1 ]
Wilson, P. A. [1 ]
Quinn, K. [1 ]
Romagnani, L. [1 ]
Borghesi, M. [1 ]
Pipahl, A. [2 ]
Willi, O. [2 ]
Lancia, L. [3 ]
Fuchs, J. [3 ]
Clarke, R. J. [4 ]
Notley, M. [4 ]
Nazarov, W. [5 ]
机构
[1] Queens Univ Belfast, Sch Math & Phys, Ctr Plasma Phys, Belfast BT7 1NN, Antrim, North Ireland
[2] Univ Dusseldorf, Inst Laser & Plasma Phys, Dusseldorf, Germany
[3] Ecole Polytech, Lab Utilisat Laser Intenses, Palaiseau, France
[4] Rutherford Appleton Lab, Cent Laser Facil, Chilton, Oxon, England
[5] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland
关键词
Laser-plasma interaction; Electron transport; Filamentation; LASER FUSION IGNITION; SOLID TARGETS; PLASMA; ACCELERATION; SURFACE; PULSES;
D O I
10.1007/s10509-008-9950-0
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The propagation of laser-driven, relativistic electron beams in plasmas is a phenomenon of relevance to applications such as the Fast Ignition of fusion targets. In this paper, we report on experiments where the transport of hot electron currents through foam targets has been studied using the proton imaging technique. Strong filamentation has been observed, possibly due to electromagnetic instabilities of the Weibel type. The experiments were performed at the RAL Petawatt laser facility.
引用
收藏
页码:161 / 165
页数:5
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