Laser-plasma lens for laser-wakefield accelerators

被引：42

作者：

Lehe, R. ^{[1
]}

Thaury, C. ^{[1
]}

Guillaume, E. ^{[1
]}

Lifschitz, A. ^{[1
]}

Malka, V. ^{[1
]}

机构：

[1] Ecole Polytech, ENSTA, CNRS UMR7639, Lab Opt Appl, Chemin Huniere, F-91761 Palaiseau, France

来源：

PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS | 2014年 / 17卷 / 12期

基金：

欧洲研究理事会;

关键词：

ELECTRON-BEAMS; DRIVEN; UNDULATOR; CHANNEL;

D O I：

10.1103/PhysRevSTAB.17.121301

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Thanks to their compactness and unique properties, laser-wakefield accelerators are currently considered for several innovative applications. However, many of these applications-and especially those that require beam transport-are hindered by the large divergence of laser-accelerated beams. Here we propose a collimating concept that relies on the strong radial electric field of the laser-wakefield to reduce this divergence. This concept utilizes an additional gas jet, placed after the laser-wakefield accelerator. When the laser pulse propagates through this additional gas jet, it drives a wakefield which can refocus the trailing electron bunch. Particle-in-cell simulations demonstrate that this approach can reduce the divergence by at least a factor of 3 for realistic electron bunches.

引用

页数：9

共 50 条

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