w波段u形微带弯曲线慢波结构的研究

2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) Pub Date : 2021-08-29 DOI:10.1109/IRMMW-THz50926.2021.9566867

Chi-Kan Liu, Lingna Yue, Jia Lu, Ziqing Bai, Wenxiang Wang, Yanyu Wei, Jin Xu, H. Yin, G. Zhao

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引用次数: 0

摘要

设计了一种用于行波管(TWT)的w波段u型微带弯曲线(MML)慢波结构(SWS)。讨论了SWS中介质衬底材料的选择。同时，为了提高SWS的相互作用阻抗，提出了一种新的共形介质衬底结构。根据粒子池(PIC)仿真结果，该结构在96 GHz时的输出功率为28.86 W，相应的最大增益为23.8 dB。3db带宽从92 GHz到99 GHz为7 GHz。

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Study on a W-Band U-shaped Microstrip Meander-line Slow-wave Structure

A W-band U-shaped microstrip meander-line (MML) slow-wave structure (SWS) for traveling-wave tube (TWT) was designed and simulated in this work. The selection of materials used for the dielectric substrate in the SWS was discussed. Meanwhile, to improve the interaction impedance of the SWS, a new structure named conformal dielectric substrate was proposed. According to particle-in-cell (PIC) simulation results, the proposed structure was able to reach an output power of 28.86 W at 96 GHz, with the corresponding maximum gain of 23.8 dB. The 3 dB bandwidth was 7 GHz from 92 GHz to 99 GHz.

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2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)

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