All-optical generation of petawatt gamma radiation via inverse Compton scattering from laser interaction with tube target

被引：11
作者：
Long, T. Y. [1 ,2 ,3 ]
Zhou, C. T. [3 ,4 ]
Huang, T. W. [3 ]
Jiang, K. [3 ,5 ]
Ju, L. B. [3 ]
Zhang, H. [3 ]
Cai, T. X. [3 ]
Yu, M. Y. [3 ,6 ,7 ]
Qiao, B. [1 ,2 ,3 ]
Ruan, S. C. [3 ,4 ]
He, X. T. [1 ,2 ,3 ,8 ]
机构：
[1] Peking Univ, Ctr Appl Phys & Technol, HEDPS, Beijing 100871, Peoples R China
[2] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[3] Shenzhen Technol Univ, Ctr Adv Mat Diagnost Technol, Shenzhen 518118, Peoples R China
[4] Shenzhen Univ, Coll Appl Technol, Shenzhen 518060, Peoples R China
[5] China Acad Engn Phys, Grad Sch, Beijing 100088, Peoples R China
[6] Zhejiang Univ, Inst Fus Theory & Simulat, Hangzhou 310027, Zhejiang, Peoples R China
[7] Ruhr Univ Bochum, Inst Theoret Phys 1, D-44780 Bochum, Germany
[8] Shanghai Jiao Tong Univ, CICIFSA, Shanghai 200240, Peoples R China
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2019年 / 61卷 / 08期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
gamma radiation; inverse Compton scattering; structured target; direct laser acceleration; quantum electrodynamics; laser-plasma interaction; RAYS; ACCELERATION; BACKSCATTERING;
D O I：
10.1088/1361-6587/ab210c
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：
A scheme for generating gamma photons from laser interaction with a hollow-tube target filled with near-critical-density plasma is investigated using quantum electrodynamics particle-in-cell simulation. The solid-density tube wall stabilizes the laser propagation in the tube, guides the laser-accelerated relativistic electrons, and its endplate reflects the laser light. As the electrons collide head-on with the reflected laser, a large number of MeV gamma photons are generated through inverse Compton scattering. It is found that bright gamma radiation with power up to 1.4 PW and 37% laser-to-gamma ray energy conversion efficiency can be obtained with 5 x 10(22) W cm(-2) laser pulse.
引用
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页数：11
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