Enhanced laser-driven backward proton acceleration using micro-wire array targets

doi:10.3389/fphy.2023.1167927

	Enhanced laser-driven backward proton acceleration using micro-wire array targets
	Fan, Lulin 1,2; Xu, Tongjun 1; Wang, Qingsong 1; Xu, Jiancai 1; Zhang, Guoqiang 3,4; Wang, Putong 2,3; Fu, Changbo 5; Ma, Zhiguo 5; Deng, Xiangai 5; Ma, Yugang 5; Li, Shun 1; Lu, Xiaoming 1; Li, Jinfeng 1; Xu, Rongjie 1; Wang, Cheng 1; Liang, Xiaoyan 1; Leng, Yuxin 1; Shen, Baifei 1,6; Ji, Liangliang 1; Li, Ruxin1,7
	2023
发表期刊	FRONTIERS IN PHYSICS
EISSN	2296-424X
卷号	11
DOI	10.3389/fphy.2023.1167927
摘要	Micro-structured targets can be employed to enhance the coupling of laser energy to the high energy density plasma. Here we report on experimental measurement of enhanced proton beam energy from laser-driven micro-wire array (MWA) targets along the backward direction. An ultra-intense ((Formula presented.)) laser pulse of (Formula presented.) pulse duration interacts with the MWA structure and induces large population of energetic electrons. The enhanced sheath field efficiently accelerates protons both transversely and longitudinally. The spectrometers record proton cut-off energy of around (Formula presented.) and temperature (Formula presented.) along the backward direction, which is (Formula presented.) higher than that of a flat target under commensurate laser conditions. Comparison with particle-in-cell simulations suggests that the enhancement originates from the increased temperature and population of the hot electrons within the micro-wires. These measurements provide a direct probe of the high energy density plasma condition in laser-driven solid targets and a useful benchmark for further studies on laser-driven micro-structured targets. Copyright © 2023 Fan, Xu, Wang, Xu, Zhang, Wang, Fu, Ma, Deng, Ma, Li, Lu, Li, Xu, Wang, Liang, Leng, Shen, Ji and Li.
关键词	Hot electrons Plasma simulation Wire Energy coupling efficiency High energy density plasmas High laser-proton energy coupling efficiency Laser induced Laser-induced nuclear fusion Laser-proton acceleration Micro-wire structure Microwire Nuclear fusion Proton acceleration Proton energy
URL	查看原文
收录类别	EI
语种	英语
出版者	Frontiers Media SA
EI入藏号	20233514653753
EI主题词	Microstructure
EI分类号	535.2 Metal Forming ; 701.1 Electricity: Basic Concepts and Phenomena ; 932.3 Plasma Physics ; 951 Materials Science
原始文献类型	Journal article (JA)
文献类型	期刊论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/329007
专题	物质科学与技术学院物质科学与技术学院_特聘教授组_李儒新组
通讯作者	Xu, Tongjun; Zhang, Guoqiang; Ji, Liangliang
作者单位	1.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, China; 2.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China; 3.Shanghai Institute of Applied Physics, Chinses Academy of Sciences, Shanghai, China; 4.Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China; 5.Institute of Modern Physics, Fudan University, Shanghai, China; 6.Department of Physics, Shanghai Normal University, Shanghai, China; 7.School of Physical Science and Technology, ShanghaiTech University, Shanghai, China
推荐引用方式 GB/T 7714	Fan, Lulin,Xu, Tongjun,Wang, Qingsong,et al. Enhanced laser-driven backward proton acceleration using micro-wire array targets[J]. FRONTIERS IN PHYSICS,2023,11.
APA	Fan, Lulin.,Xu, Tongjun.,Wang, Qingsong.,Xu, Jiancai.,Zhang, Guoqiang.,...&Li, Ruxin.(2023).Enhanced laser-driven backward proton acceleration using micro-wire array targets.FRONTIERS IN PHYSICS,11.
MLA	Fan, Lulin,et al."Enhanced laser-driven backward proton acceleration using micro-wire array targets".FRONTIERS IN PHYSICS 11(2023).