Effect of multiple parameters on the supersonic gas-jet target characteristics for laser wakefield acceleration

被引：2
|
作者：
Liu, Qiu-Shi [1 ]
Ma, Ming-Jiang [1 ]
Zhao, Bao-Zhen [1 ]
Zhang, Xiao-Hua [1 ]
Lv, Chong [1 ]
Meng, Xiang-Hao [1 ]
Zhang, Ji [1 ]
Ban, Xiao-Na [1 ]
Wang, Zhao [1 ]
Xi, Xiao-Feng [1 ]
Tian, Bao-Xian [1 ]
He, Chuang-Ye [1 ]
Guo, Bing [1 ]
机构：
[1] China Inst Atom Energy, Dept Nucl Phys, Beijing 102413, Peoples R China
来源：
NUCLEAR SCIENCE AND TECHNIQUES | 2021年 / 32卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Supersonic gas-jet target; Laser wakefield acceleration; Electron acceleration; Optical interference diagnosis; TRANSMUTATION; BEAMS;
D O I：
10.1007/s41365-021-00910-1
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The supersonic gas-jet target is an important experimental target for laser wakefield acceleration (LWFA), which has great potential for driving novel radiation sources such as betatron radiation and Compton scattering gamma rays. According to different electron acceleration requirements, it is necessary to provide specific supersonic gas jets with different density profiles to generate electron beams with high quality and high repetition rates. In this study, the interference images and density profiles of different gas-jet targets were obtained through a modified Nomarski interference diagnosis system. The relationships between the gas density and back pressure, nozzle structure, and other key parameters were studied. Targets with different characteristics are conducive to meeting the various requirements of LWFA.
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页数：9
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