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Relativistic magnetron with TE11 mode output

A relativistic magnetron, TE11 technology, used in magnetrons, discharge tubes, transit time electron tubes, etc., can solve the problem of only power conversion efficiency, no good matching transition, etc., to achieve the effect of compact structure

Active Publication Date: 2021-10-08
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
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Problems solved by technology

However, since there is no good matching transition between the anode piece of the magnetron and the output circular waveguide, the power conversion efficiency is only about 14%.

Method used

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  • Relativistic magnetron with TE11 mode output
  • Relativistic magnetron with TE11 mode output
  • Relativistic magnetron with TE11 mode output

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Embodiment Construction

[0027] In order to better illustrate the purpose, advantages and technical ideas of the present invention, the present invention will be further elaborated below in conjunction with specific embodiments. It should be noted that the specific examples given below are only for the purpose of explaining the present invention in detail, and do not limit the present invention.

[0028] Such as Figure 1-3 As shown, the S-band TE of this embodiment 11 A relativistic magnetron with mode output includes a magnetron part and a mode conversion part. Among them, the magnetron part is symmetrical about the central axis, including a cylindrical anode casing 1-5 with an outer radius of 40mm and a thickness of 1mm, and eight fan-shaped anode blocks 1-2 evenly arranged inside the anode casing with an inner radius of 21mm. , the cathode 1-1 coaxial with the anode casing, and the fan-shaped cavity between two adjacent fan-shaped anode blocks is the resonant cavity of the magnetron.

[0029] T...

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Abstract

The invention discloses a relativistic magnetron with TE11 mode output, and belongs to the technical field of microwaves. On the basis of an eight-cavity relativistic magnetron, energy of microwaves in adjacent resonant cavities is radially coupled into four first fan-shaped waveguide cavities through respective coupling slots, and a TE11 mode is excited; and then the side wall of the fan-shaped waveguide cavity is used as a mode change insertion piece of the insertion piece type mode converter, and finally, a circular waveguide TE11 mode is directly output. The integrated structure enables the high-power microwave system to be more compact.

Description

technical field [0001] The invention belongs to the field of microwave technology, in particular to an S-band TE 11 Mode output for relativistic magnetrons. Background technique [0002] High Power Microwave (HMP) mainly refers to coherent electromagnetic radiation with a frequency from 1 GHz to 300 GHz and a peak power greater than 100 MW. It is a research field emerging with the development of pulse power technology in the last century. It has attracted the attention of researchers from various countries and has become one of the most active frontier research disciplines in the international academic circle. In recent years, with the in-depth research and wide application of high-power microwave sources, people have put forward more, higher and newer requirements for high-power microwave sources and even the entire high-power microwave system. The compactness and miniaturization and the ability to directly radiate low-order mode microwaves from microwave sources have att...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J23/02H01J25/50
CPCH01J23/02H01J25/50
Inventor 李天明陈源程仁杰何朝雄王姣银
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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