A Tapered Ridge-loaded Folded Waveguide Slow-wave Structure for Millimeter-wave Traveling-wave Tube

被引：0

作者：

Guo Guo

Yanyu Wei

Lingna Yue

Yubin Gong

Xiong Xu

Jun He

Guoqing Zhao

Wenxiang Wang

Gun-Sik Park

机构：

[1] University of Electronic Science and Technology of China,National Key Laboratory of Science and Technology on Vacuum Electronics, School of Physical Electronics

[2] Chinese Academy of Sciences,Institute of Electronics

[3] Seoul National University,Department of Physics and Astronomy

来源：

Journal of Infrared, Millimeter, and Terahertz Waves | 2012年 / 33卷

关键词：

Tapered ridge-loaded FWG; Reflection; Radio-frequency loss; Electron efficiency; Bandwidth;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

This paper presents a tapered ridge-loaded folded waveguide (FWG) slow-wave structure (SWS) for broadband and high power millimeter wave traveling wave tube (TWT). The radio-frequency characteristics including dispersion properties, interaction impedance, S-parameters are analyzed. And based upon these results, the nonlinear large signal performance of the tapered ridge-loaded folded waveguide TWT working in W-band is simulated by 3-D particle-in-cell code. In the same ridge length, the tapered FWG has lower reflection and radio-frequency loss than the normal ridge-loaded FWG. Besides, the tapered ridge-loaded FWG TWT also has higher electron efficiency and larger bandwidth, which is more suitable for millimeter-wave TWT.

引用

页码：131 / 140

页数：9

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