2-STAGE ELECTRON ACCELERATION BY SIMULTANEOUS STIMULATED RAMAN BACKWARD AND FORWARD SCATTERING

被引：47

作者：

BERTRAND, P

GHIZZO, A

KARTTUNEN, SJ

PATTIKANGAS, TJH

SALOMAA, RRE

SHOUCRI, M

机构：

[1] VTT ENERGY, SF-02044 ESPOO, FINLAND

[2] HELSINKI UNIV TECHNOL, DEPT TECH PHYS, SF-02150 ESPOO, FINLAND

[3] CTR CANADIEN FUS MAGNET, VARENNES, PQ J3X 1S1, CANADA

来源：

PHYSICS OF PLASMAS | 1995年 / 2卷 / 08期

关键词：

D O I：

10.1063/1.871144

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 coexistence of stimulated Raman forward and backward scattering of intense electromagnetic radiation, which can occur for instance, in laser fusion plasmas, is investigated. The simultaneous Raman forward and backward scattering is shown to create an electrostatic field structure which is exceptionally efficient in producing highly relativistic electrons. The mechanism of the electron acceleration is analyzed both by Vlasov-Maxwell simulations with self-consistent fields and by test particle calculations with prescribed electrostatic fields. The Vlasov-Maxwell simulations reveal that the two plasma waves generated by the backward and forward scattering are spatially separated, and thus form a two-stage electron ''accelerator.'' (C) 1995 American Institute of Physics.

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页码：3115 / 3129

页数：15

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