High Power Laser and Particle Beams, Volume. 36, Issue 3, 033009(2024)

A technology for generating intense annular electron beam with variable beam radius and its application

Fugui Zhou1, Dian Zhang1、*, Jun Zhang1,2, Yinghao Chen1, Zhenxing Jin1, and Shengyue Zhou1
Author Affiliations
  • 1College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
  • 2College of Science, National University of Defense Technology, Changsha 410073, China
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    Figures & Tables(16)
    Schematic of a diode with adjustable beam radius
    Diagram of the gradient axial magnetic field
    Diagram of electron beam trajectory
    Diagram of axial magnetic field with different slopes and electron beam trajectory guided by the magnetic field
    Axial magnetic field with different peaks and electron beam trajectory guided by the magnetic field
    Diagram of a cross-band frequency-modulated HPM oscillator
    Diagram of a reflector
    S-Parameter of TEM mode
    X-band peak power and average power diagram
    X-band spectrum diagram
    Ku-band peak power and average power diagram
    Ku-band spectrum diagram
    Effect of solenoid current on power efficiency of X-band TTO
    • Table 1. Parameters of electrically regulated variable-radius diode (mm)

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      Table 1. Parameters of electrically regulated variable-radius diode (mm)

      RaRcRXWXLacLtRKu
      482854.512221431.5
    • Table 2. Solenoid parameters

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      Table 2. Solenoid parameters

      orderlateral turnsaxial turnslateral extra turnsaxial extra turns
      11025510
      21051510
      31330710
    • Table 3. Structural parameters of the reflector (mm)

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      Table 3. Structural parameters of the reflector (mm)

      WbLupLdnDupDdnRb
      12411116.554.5
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    Fugui Zhou, Dian Zhang, Jun Zhang, Yinghao Chen, Zhenxing Jin, Shengyue Zhou. A technology for generating intense annular electron beam with variable beam radius and its application[J]. High Power Laser and Particle Beams, 2024, 36(3): 033009

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    Paper Information

    Category:

    Received: Nov. 6, 2023

    Accepted: Jan. 29, 2024

    Published Online: Mar. 20, 2024

    The Author Email: Dian Zhang (zhangdian@nudt.edu.cn)

    DOI:10.11884/HPLPB202436.230394

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