Design of a Coupling Structure For Peer-to-Peer Phase-Locked All-Cavity-Extraction Multiport Relativistic Magnetron

A coupling structure is designed for phase-locked all-cavity-extraction multiport relativistic magnetron, which could transform the coaxial TEM mode into the radial rectangular TE 10 mode efficiently at 2.33 GHz. The coaxial port is connected with the upstream port of multiport relativistic magnetron, and the radial rectangular is used for energy coupling with another device. Particle-in-cell (PIC) simulation of such coupling structure combined with a four-port relativistic magnetron is also carried out. When this device is applied a diode voltage of 550 kV, an average power of 308 MW in each downstream output port and 242 MW in coupling port can be obtain. This work lays a foundation for further researches on phase-locked relativistic magnetron with all-cavity-extraction structure.