High Power Laser and Particle Beams, Volume. 35, Issue 2, 021004(2023)

Study of space charge force for a laser-accelerated proton beam

Jungao Zhu1, Yuan Zhao1, Meifu Lai1, Yongli Gu1, Shixiang Xu2、*, Cangtao Zhou1、*, and Haiyang Lu1、*
Author Affiliations
  • 1Shenzhen Key Laboratory of Ultraintense Laser and Advanced Material Technology, Center for Advanced Material Diagnostic Technology, College of Engineering Physics, Shenzhen Technology University, Shenzhen 518118, China
  • 2Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
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    Figures & Tables(5)
    Schematic of the target and the beam generated in acceleration
    Beam expansion with a waterbag distribution. Plots show the charge distribution on grid points in the zx plane at 0 ps, 20 ps, 50 ps, 100 ps after the laser interaction with the target
    Influence of space charge in different charge distribution models on the evolution of electric fields and beam parameters within 100 ps after the laser interaction with the target
    Influence of space charge for different values of total charge on the evolution of electric fields and beam parameters within 100 ps after the laser interaction with the target
    • Table 1. Proton and electron numbers for simulations with different targets

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      Table 1. Proton and electron numbers for simulations with different targets

      thickness/μmdensity/(g/cm3) proton numberelectron number
      aluminum2.52.74.22×1077.63×1010
      polymer1.21.1869.91×1073.87×1010
      DLC0.00532.15×1072.78×108
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    Jungao Zhu, Yuan Zhao, Meifu Lai, Yongli Gu, Shixiang Xu, Cangtao Zhou, Haiyang Lu. Study of space charge force for a laser-accelerated proton beam[J]. High Power Laser and Particle Beams, 2023, 35(2): 021004

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    Paper Information

    Category: High Power Laser Physics and Technology

    Received: May. 24, 2022

    Accepted: --

    Published Online: Feb. 16, 2023

    The Author Email: Shixiang Xu (shxxu@szu.edu.cn), Cangtao Zhou (zcangtao@sztu.edu.cn), Haiyang Lu (luhaiyang@sztu.edu.cn)

    DOI:10.11884/HPLPB202335.220171

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