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Slow wave structure based on electromagnetic band gap structure

A technology of electromagnetic band gap structure and slow wave structure, applied in the field of physical electronics, can solve problems such as difficult to satisfy the structure, and achieve the effects of increased operating bandwidth, good heat dissipation characteristics, and efficient energy exchange

Inactive Publication Date: 2007-09-05
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in high-power devices, in order to obtain higher performance, the slow-wave structure must have better mode selection and frequency selection performance, and the existing structure is difficult to meet

Method used

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  • Slow wave structure based on electromagnetic band gap structure
  • Slow wave structure based on electromagnetic band gap structure
  • Slow wave structure based on electromagnetic band gap structure

Examples

Experimental program
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Effect test

Embodiment 1

[0020] Embodiment 1: With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of slow wave structure based on electromagnetic bandgap structure, comprises electromagnetic bandgap structure 3, is provided with input channel 1, output channel 2 and electronic channel 1 on the electromagnetic bandgap structure The injection channel 4, the electron injection channel 4 runs through the electromagnetic bandgap structure, the electromagnetic bandgap structure includes a cavity 5, a metal separator 6 and a metal rod 31 are arranged in the cavity 5, and an electron injection channel 4 is arranged on the cavity 5 The electron injection port 41 and the electron injection port 42 are provided with a window 61 which doubles as an electromagnetic wave channel and an electron injection channel on the metal separator 6 .

[0021] In this embodiment, the blocks between the structures in FIG. 2 indicate that the electromagnetic bandgap structure can adopt any period in this direction. The electromag...

Embodiment 2

[0022] Embodiment 2: With reference to Fig. 1, Fig. 5 and Fig. 6, a kind of slow wave structure based on electromagnetic bandgap structure, comprises electromagnetic bandgap structure 3, is provided with input channel 1, output channel 2 and electron The injection channel 4, the electron injection channel 4 runs through the electromagnetic bandgap structure, the electromagnetic bandgap structure includes a cavity 5, a metal partition 6 and a metal rod 31 are arranged in the cavity 5, and an electromagnetic wave window 62 is arranged on the metal partition 6 And the electromagnetic wave windows 62 on the two adjacent metal partitions 6 are located on both sides of the cavity 5 respectively, and the electron injection channel 4 is composed of the electron injection port 41, the electron injection port 42 located on the cavity 5, and the electron injection port 42 located on the metal partition 6. The electron injection window 61 on the top constitutes.

[0023] Referring to Figu...

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Abstract

The invention is concerned with the slow wave structure based on the electromagnetism band gap structure, consists of: the electromagnetism band gap structure (-), the inputting channel (-), the outputting channel (-) and the electron infusing channel (-) that set on the electromagnetism band gap structure, the electron infusing channel (-) crosses the electromagnetism band gap structure. The invention is: uses the period structure characteristic of the electromagnetism band gap structure and combines the existing slow wave structure, forms the fit slow wave structure that uses the electromagnetism band gap structure, optimization the dispersion characteristics of the slow wave structure. It is: chooses the fit dispersion characteristics to produce the slow wave structure that is fit for different need.

Description

technical field [0001] The invention relates to a slow-wave structure used in a device or device for the interaction between an electromagnetic field and electrons or other charged electron particles or relatively low-speed waves, in particular to a slow-wave structure based on an electromagnetic bandgap structure, which belongs to physical electronics technology field. technical background [0002] The slow wave structure is mainly used in traveling wave amplifiers, particle accelerators, and devices that interact between electromagnetic waves and waves of lower speed (such as sound waves, magnetostatic waves, etc.), and its role is to make the interaction over a longer distance and a longer time Ongoing. In this system, the phase velocity of electromagnetic waves is lower than the speed of light in space, so that the energy of moving charged electron particles or low-speed waves can be effectively converted into the energy of electromagnetic waves. [0003] At present, t...

Claims

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Application Information

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IPC IPC(8): H01P1/207
Inventor 孙小菡柏宁丰
Owner SOUTHEAST UNIV
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