High Power Laser and Particle Beams, Volume. 35, Issue 1, 012005(2023)
Production of highly-directional positron beam by relativistic femto-second laser irradiating micro-structured surface target
Figures & Tables(6)
Fig. 1. 3D simulations of interaction between laser and two types of target
Fig. 2. Electromagnetic field distribution and phase space distribution of electrons at 时刻的电磁场分布和电子的相空间分布
Fig. 4. Energy spectrum of electrons and positrons produced by the MST and planar target
Table 1. Comparison of positron beam parameters in different schemes
View tableView in ArticleTable 1. Comparison of positron beam parameters in different schemes
target laser energy/J pulse duration/fs cut-off energy of e+/MeV divergence of e+/(°) yield of e+ wire array (this article) 3.2 40 50 ～4.92 $ 8.9\times {10}^{9} $ wire array[22] 500 700 80 not given $ {10}^{12} $ gas (via wake field acceleration)[18] 14 42 600 ～1.1 $ 3\times {10}^{7} $ planar target[15] 812 10000 20 ～20 $ 1.8\times {10}^{11} $
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Yechen Wang, Weiquan Wang, Tongpu Yu, Fuqiu Shao, Yan Yin. Production of highly-directional positron beam by relativistic femto-second laser irradiating micro-structured surface target[J]. High Power Laser and Particle Beams, 2023, 35(1): 012005
Paper Information
Category: Strong Field Quantum Electrodynamics Excited by Super Intense Laser Pulse
Received: Jul. 5, 2022
Accepted: --
Published Online: Feb. 10, 2023
The Author Email: Yin Yan (yyin@nudt.edu.cn)
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