Experimental Studies on the A6 Relativistic Magnetron With Permanent Magnet

Li, Tianming; Li, Jiayin; Hu, Biao

doi:10.1109/tps.2011.2160097

Cited by 9 publications

(2 citation statements)

References 14 publications

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“…Therefore, in such applications, a permanent magnet system is usually utilized. [5][6][7] Two representative schemes, the gyrotron and the peniotron, are basically utilized, and it is known that a requisite magnetic field can be reduced by a factor of s when a gyrotron or peniotron operates at the sth cyclotron harmonic resonance. The gyrotron uses a smooth cavity and a small orbit beam from a magnetron type injection gun.…”

Section: Introductionmentioning

confidence: 99%

A W-band sixth-harmonic magnetron-type slotted peniotron

et al. 2013

Physics of Plasmas

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This paper has numerically investigated operating characteristics of a w-band six-harmonic magnetron-type slotted peniotron with 7 vanes. With the new structure design, a high efficiency of 40% w-band 30 kW medium power microwave source has been achieved and the mode competition can be somewhat suppressed. The main advantage of such a peniotron, based on a permanent magnet, is that it can have much more compact size and lower cost, and its operation gap can be greatly reduced. V C 2013 American Institute of Physics. [http://dx.

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Section: Introductionmentioning

confidence: 99%

A W-band sixth-harmonic magnetron-type slotted peniotron

et al. 2013

Physics of Plasmas

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“…6,7) Specifically, the NdFeB-32-MGOe permanent magnets provide the main magnetic field of the interaction region and the reverse field of the largeorbit electron gun, and the adjustable coils fine tune the magnitude and gradient of the magnetic field in the interaction region. 13) According to the magnetic field characteristics of the W-band sixth-harmonic peniotron, we propose the following requirements. 1) The homogeneous area magnetic field value should be about 0.6144 T; meanwhile, it should be 5% adjustable.…”

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confidence: 99%

A Novel Large-Orbit Electron Gun Driving a W-Band Sixth-Harmonic Magnetron-Type Slotted Peniotron with a Permanent Magnet System

et al. 2013

Appl. Phys. Express

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This paper demonstrates the operating characteristics of a W-band peniotron with a permanent magnet system. A practical novel large-orbit electron beam with axial velocity spread of 5.17%, transverse velocity spread of 1.28%, guiding center deviation ratio of 10.7%, and high average velocity ratio of 2 is designed to drive a sixth-harmonic magnetron-type slotted peniotron. Compared with the peniotron with an ideal electron beam, the output power of the practical peniotron decreases from 30 to 22 kW at 94 GHz, and its conversion efficiency correspondingly decreases from 40 to 30%. Based on a permanent magnet system, the main advantage of such peniotron is that it can have a much more compact size and lower cost, and its operational gap can be greatly reduced.

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