High Power Laser and Particle Beams, Volume. 37, Issue 1, 013004(2025)

Design of permanent magnet packaging for an S-band relativistic magnetron with TE11 mode output

Yue Cui1,2, Fen Qin1, Sha Xu1、*, Lurong Lei1, Yong Zhang1, and Yuhan Zhang1,2
Author Affiliations
  • 1National Key Laboratory of Science and Technology on Advanced Laser and High Power Microwave, Institute of Applied Electronics, CAEP, Mianyang 621900, China
  • 2Graduate School of China Academy of Engineering Physics, Mianyang 621900, China
  • show less
    Figures & Tables(16)
    Schematic of 8-cavity all-cavity axial extraction relativistic magnetron (R8 ACAE-RM)
    Schematic of mode conversion structure
    Mode conversion efficiency of the extraction structure from four 90° sector waveguide TE11 mode to circular waveguide TE11 mode
    Diagram of the location of the inner and outer magnetic blocks
    Schematic diagram of magnetic inductance lines in a magnetic field
    Magnetic induction intensity curve of the central axis
    Electric field in the proposed R8 ACAE-RM
    Spatial distribution of electric field at different positions
    Voltage and different output power with TE11,TM01,TE21
    Output power and power conversion efficiency with different voltages when the magnetic field is 0.34 T
    Average output power and spectral characteristics when the applied voltage is 320 kV and the axial magnetic field is 0.34 T
    Average output power and spectral characteristics when the applied voltage is 320 kV and the axial magnetic field is generated by the inner and outer magnetic blocks
    Field strength near the inner magnetic block and end cap
    • Table 1. Parameters of simulated R8 ACAE-RM

      View table
      View in Article

      Table 1. Parameters of simulated R8 ACAE-RM

      length of anode block, L/mmouter radius of cathode, Roc/mminner radius of cathode, Ric/mmlength of cathode emitter, Le/mmanode radius,RA/mmcavity radius, RCv/mmrectangular vane width, w/mmopen angle of coupling slot, θ/(°)
      7211107222381017
    • Table 2. Parameters of the coaxial-plate-inserted mode converter

      View table
      View in Article

      Table 2. Parameters of the coaxial-plate-inserted mode converter

      length of short board, L1/mmlength of long board, L2/mmlength of symmetrical board, L3/mmlength of cone, LC/mmcone radius, RC/mmcircular waveguide radius, RO/mmlength of step board, LS/mm
      13627729999216280
    • Table 3. Comparison of studies on S-band relativistic magnetron with TE11 mode output

      View table
      View in Article

      Table 3. Comparison of studies on S-band relativistic magnetron with TE11 mode output

      voltage/kVmagnetic field/Toutput power/GWefficiency/%
      Ref [14]5080.310.5415.00
      Ref [15]5850.371.2032.2
      Ref [16]3520.340.5762.5
      this work3200.341.0747.00
    Tools

    Get Citation

    Copy Citation Text

    Yue Cui, Fen Qin, Sha Xu, Lurong Lei, Yong Zhang, Yuhan Zhang. Design of permanent magnet packaging for an S-band relativistic magnetron with TE11 mode output[J]. High Power Laser and Particle Beams, 2025, 37(1): 013004

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: Oct. 9, 2024

    Accepted: Nov. 29, 2024

    Published Online: Feb. 21, 2025

    The Author Email: Sha Xu (sc171996@sina.com)

    DOI:10.11884/HPLPB202537.240353

    Topics