Comb line slow wave structure working on high-order pass band

A slow-wave structure and comb-line technology, applied in the field of microwave vacuum electronic devices, can solve the problems of poor high-frequency and high-power performance, and achieve the effect of improving power performance
CN104538271AActive Publication Date: 2015-04-22NO 12 RES INST OF CETC
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
NO 12 RES INST OF CETC
Publication Date
2015-04-22

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Abstract

The invention discloses a comb line slow wave structure working on a high-order pass band. The comb line slow wave structure comprises a cavity mode area, and a rectangular resonant cavity array is composed of a series of straight waveguides; electron beam channels penetrate through the rectangular resonant cavity array composed of the straight waveguides and used for transmitting electron beams; and the mutual action of the beams and waves occurs in the cavity mode area. The slow wave structure has the advantages of being suitable for the working of the high-order pass band, and free of the influence of low pass band mode competition, and the power performance of a terahertz backward wave oscillator can be improved.
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Description

technical field

[0001] The invention relates to the field of microwave vacuum electronic devices, in particular to a comb-line slow-wave structure working in a high-order passband. Background technique

[0002] With the rapid development of terahertz science and technology, the requirements for terahertz radiation sources are increasing. Whether a practical, high-power, tunable terahertz radiation source can be developed plays a vital role in the development of terahertz science and technology. . The back-wave oscillator is a microwave vacuum electronic device. It is a commonly used millimeter-wave source and a terahertz radiation source with great development potential. Electronic tuning is realized in a very wide frequency band, but with the increase of frequency, the small size brings great technical challenges to the electron optical system and high frequency system, causing the power level of the return wave oscillator to drop rapidly, which cannot meet High-power app...

Claims

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