Self-modulated wakefield excitation in 40 TW laser-plasma and electron acceleration

被引：3

作者：

Kitagawa, Y ^{[1
]}

Mori, M ^{[1
]}

Murakami, Y ^{[1
]}

Kodama, R ^{[1
]}

Habara, H ^{[1
]}

Sawai, K ^{[1
]}

Suzuki, K ^{[1
]}

Kawasaki, T ^{[1
]}

Tanaka, KA ^{[1
]}

Mima, K ^{[1
]}

机构：

[1] Osaka Univ, Inst Laser Engn, Suita, Osaka 565, Japan

来源：

HIGH-POWER LASERS IN ENERGY ENGINEERING | 2000年 / 3886卷

关键词：

wakefield; TW laser; Forward Raman Scattering; electron acceleration; proton acceleration; relativistic self focusing;

D O I：

10.1117/12.375098

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Illuminating a 40TW chirped pulse amplified laser on 0.01 critical density hydrogen plasma, we obtained a self-modulated wakefield in the relativistic region, whose amplitude is 24 % of the average density, or the accelerating filed is 160 GV/m. The laser beam is relativistically self-focused, which in turn confined the plasma wave within 0.4 mm diameter over 1 mm axial length. The dephasing distance implies a electron acceleration to 48 MeV, which is consistent with the observation of the averaged energy 35 MeV. Protons of 7 MeV are observed.

引用

页码：105 / 112

页数：8

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