光学仪器, 2016, 38 (3): 278, 网络出版: 2016-07-26  

激光等离子体加速电子机制研究进展

Development of electron beam from laser-plasma interaction
罗伟 1,2黄颖 1孙宇 1,2安妮 1
作者单位
1 东北石油大学 电子科学学院,黑龙江 大庆 163318
2 黑龙江省高校校企共建测试计量技术及仪器仪表工程研发中心,黑龙江 大庆 163318
摘要
通过激光等离子体相互作用获得的高能电子束流在医学成像、癌症治疗、快点火聚变以及天体物理学等方面有着广泛的应用前景。随着啁啾脉冲放大技术的不断发展,激光脉冲的强度大幅提高的同时脉冲持续时间逐渐减小,超短超强激光脉冲与等离子体相互作用中激发出的大振幅的等离子体尾波能够有效地提高加速电子的能量。通过介绍近年来激光等离子体加速电子的主要加速机制的同时介绍该领域一些新的研究进展。
Abstract
Electron beam acquired by laser-plasma acceleration has great potential in the applications of medical imaging,cancer therapy,fast ignition in inertial fusion,and astrophysics.With the continuous development of chirp plus amplification technology,the intensity of the laser pulse increases rapidly while the laser beam duration reduced dramatically.With such ultra-short,ultra-intense laser pulse interacting with plasma,it can stimulate high amplitude plasma wave,which can accelerate the electrons to high energies.In this paper,we introduce the main schemes for laser-plasma electron acceleration,and some new research progress in recent years.
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罗伟, 黄颖, 孙宇, 安妮. 激光等离子体加速电子机制研究进展[J]. 光学仪器, 2016, 38(3): 278. LUO Wei, HUANG Ying, SUN Yu, AN Ni. Development of electron beam from laser-plasma interaction[J]. Optical Instruments, 2016, 38(3): 278.

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