Dielectric-supported Rhombus-shaped Meander-line Slow-wave Structure for a V-band Dual-sheet Beam Traveling Wave Tube

被引:1
作者
Wang, Yuxin [1 ]
Dong, Yang [1 ]
Wang, Shaomeng [1 ]
Gong, Yubing [1 ]
机构
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu 610054, Peoples R China
来源
2022 PHOTONICS & ELECTROMAGNETICS RESEARCH SYMPOSIUM (PIERS 2022) | 2022年
基金
中国国家自然科学基金;
关键词
D O I
10.1109/PIERS55526.2022.9793127
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A novel dual-beam rhombus-shaped meander line slow wave structure (DS-RSML SWS) is proposed in this paper, which is suitable for low-voltage operation and device miniaturization. The planar SWS is supported by two dielectric rods from both sides, making it suitable for dual-beam operation. The high frequency and transmission characteristics of the SWS are investigated. The input-output couplers connect the SWS with the standard waveguide by adopting step waveguide. The backward-wave oscillation is effectively suppressed by negative pitch tapering. Particle-in-cell (PIC) simulation results show that the output power of the rhombus-shaped SWS can reach 83W at 58 GHz, under the conditions of a dual-sheet beam (7.7 kV, 0.1 A) and input power of 0.1 W, with gain and electron efficiency of 29 dB and 10.8%, respectively.
引用
收藏
页码:881 / 884
页数:4
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