High Power Laser and Particle Beams, Volume. 36, Issue 12, 124002(2024)

Design of pulsed nonlinear kicker magnet for Wuhan light source

Yuan Liu1... Bing Zhu1, Jian Lei2, Jun Yang1,*, Kuanjun Fan1 and Yuan Chen3 |Show fewer author(s)
Author Affiliations
  • 1State Key Laboratory of Advanced Electromagnetic Technology, Huazhong University of Science and Technology, Wuhan 430074, China
  • 2State Grid Shanghai Shinan Electric Power Supply Company, Shanghai 200233, China
  • 3Advanced Light Source Research Center, Wuhan University, Wuhan 430074, China
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    Figures & Tables(18)
    Phase space schematic diagram of off-axis injection process using pulsed nonlinear magnet
    Conductor’s simplified floor plan
    Magnetic field comparative analysis of theoretical curves,OPERA-2D and OPERA-3D simulation curves
    Schematic diagram of complete structure and interal connection of pulsed nonlinear magnet
    Magnetic field By is distributed longitudinally
    Three-dimensional distribution of the magnetic field By in the complete model of a pulsed nonlinear magnet
    Distribution of integral field
    Time-domain plot of magnetic field at injection point in different thickness models
    Time domain diagram of the magnetic field of the injection point under different coating thicknesses
    Distribution of fieldless area in the center of different Ti coating thicknesses
    Time-domain image of the thermal power of a coated pulsed nonlinear magnet with 1 μm Ti coating
    Time-domain images of the magnetic field strength of the full coating model and the strip coating model at the injection point
    Simulation results at different wake lengths
    Comparison of beam coupling impedances of pulsed nonlinear magnet
    Heat loss of pulsed nonlinear magnet
    • Table 1. Pulsed nonlinear magnet design parameters

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      Table 1. Pulsed nonlinear magnet design parameters

      vertical gap/mmlength/mmmaterialwire diameter/mminner traverse center coordinates/mmouter traverse center coordinates/mmmagnetic inductance/μHmax. peak current/Amax. charging voltage/kV
      10500oxygen-free copper2(7,8)±0.04(9.5,13)±0.041.1535520.2
    • Table 2. Parameters with different Ti coating thicknesses at the injection point x0=−5 mm

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      Table 2. Parameters with different Ti coating thicknesses at the injection point x0=−5 mm

      coating thickness/μmpeak moment/μspeak magnetic field/Tpeak integration field/(T·m)
      00.50.02960.0148
      10.540.02910.0145
      50.630.02680.0134
      100.720.02510.0126
      501.130.01590.0080
    • Table 3. Magnetic field strength and flatness of the central region at the injection point under different gaps

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      Table 3. Magnetic field strength and flatness of the central region at the injection point under different gaps

      gap spacing/mmpeak moment/μspeak magnetic field/Tmaximum magnetic field/mT
      10.530.02930.0056
      20.530.02900.2120
      30.520.02940.1470
      40.510.02920.0093
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    Yuan Liu, Bing Zhu, Jian Lei, Jun Yang, Kuanjun Fan, Yuan Chen. Design of pulsed nonlinear kicker magnet for Wuhan light source[J]. High Power Laser and Particle Beams, 2024, 36(12): 124002

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    Paper Information

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    Received: Jun. 21, 2024

    Accepted: Oct. 24, 2024

    Published Online: Jan. 15, 2025

    The Author Email: Yang Jun (jyang@hust.edu.cn)

    DOI:10.11884/HPLPB202436.240205

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