A High-Efficiency X-Band Relativistic Magnetron with External Sector Cavities Operating in TE 011  Mode | Zendy

Jinke He | Zendy; Jinchuan Ju | Zendy; Yuwei Fan | Zendy; Zeyang Liu | Zendy; Tengfang Wang | Zendy; Wei Zhang | Zendy

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A High-Efficiency X-Band Relativistic Magnetron with External Sector Cavities Operating in TE 011 Mode

Author(s) -

Jinke He,

Jinchuan Ju,

Yuwei Fan,

Zeyang Liu,

Tengfang Wang,

Wei Zhang

Publication year - 2025

Publication title -

ieee access

Language(s) - English

Resource type - Magazines

SCImago Journal Rank - 0.587

H-Index - 127

eISSN - 2169-3536

DOI - 10.1109/access.2025.3618748

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

We propose a high-efficiency X-band relativistic magnetron (RM) with external sector cavities operating in TE 011 mode for the first time. A 16-vane anode resonator with eight coupling slots is employed for such a structure, while the outer cavity consists of eight sector cavities. A coaxial waveguide is closely adjacent to these external sector cavities for axial output. By controlling the operating mode of the external sector cavities to be TE011 mode, external sector cavities are tightly coupled with the π-mode of the inner cavity, and the output mode from the coaxial waveguide is TE 01 . Particle-in-cell (PIC) simulations demonstrate that under a diode voltage of 550 kV and beam current of 4.55 kA, with a 0.28 T axial magnetic field, the device generates 2.03 GW output power at 8.05 GHz with 81.1% efficiency.

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