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Guoqing Zhao
Researcher at University of Electronic Science and Technology of China
Publications - 104
Citations - 426
Guoqing Zhao is an academic researcher from University of Electronic Science and Technology of China. The author has contributed to research in topics: Traveling-wave tube & Waveguide. The author has an hindex of 10, co-authored 86 publications receiving 278 citations.
Papers
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Journal ArticleDOI
Review of the Novel Slow-Wave Structures for High-Power Traveling-Wave Tube
TL;DR: In this paper, the authors concentrate on the present state of study of four types of structures: helical groove, ring-plane, folded waveguide and periodically loaded waveguide, including theoretical analyses and practical applications.
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Experimental Verification of the Low Transmission Loss of a Flat-Roofed Sine Waveguide Slow-Wave Structure
Shuanzhu Fang,Jin Xu,Hairong Yin,Xia Lei,Xuebing Jiang,Pengcheng Yin,Gangxiong Wu,Ruichao Yang,Qian Li,Guo Guo,Lingna Yue,Guoqing Zhao,Wenxiang Wang,Xiong Xu,Fei Shen,Yanyu Wei +15 more
TL;DR: In this article, the sine waveguide (SWG) is presented as a potential slow-wave structure for the millimeter-wave (mm-wave) and terahertz (THz) traveling-wave tube (TWT) because of the advantages of wide bandwidth, natural electron beam tunnel, and easy fabrication.
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Study on 1-THz Sine Waveguide Traveling-Wave Tube
Ruichao Yang,Jin Xu,Pengcheng Yin,Gangxiong Wu,Shuanzhu Fang,Xuebing Jiang,Jinjing Luo,Lingna Yue,Hairong Yin,Guoqing Zhao,Wenxiang Wang,Tianjun Ma,Wenxin Liu,Yanyu Wei +13 more
TL;DR: In this paper, a flat-roofed sine waveguide (SWG) slow wave structure (SWS) has been designed for 1-THz traveling-wave tube (TWT) and the performance of the designed TWT has been simulated, whose saturated output power is 720 mW and corresponding gain is 2857 dB.
Journal ArticleDOI
A Ridge-Loaded Sine Waveguide for $G$ -Band Traveling-Wave Tube
Luqi Zhang,Yanyu Wei,Guo Guo,Chong Ding,Yuanyuan Wang,Xuebing Jiang,Guoqing Zhao,Jin Xu,Wenxiang Wang,Yubin Gong +9 more
TL;DR: In this article, a ridge-loaded sine waveguide (RLSWG) was proposed to develop the wideband high-power terahertz traveling-wave tube (TWT).
Journal ArticleDOI
Novel W -Band Ridge-Loaded Folded Waveguide Traveling Wave Tube
Yanyu Wei,Guo Guo,Yubin Gong,Lingna Yue,Guoqing Zhao,Luqi Zhang,Chong Ding,Tao Tang,Minzhi Huang,Wenxiang Wang,Zhiqiang Gao,Xiaofeng Li +11 more
TL;DR: In this paper, a ridge-loaded folded waveguide slow-wave structure has been firstly employed to manufacture a W-band continuous wave traveling wave tube (TWT), and the results of the design and experimental test for this TWT were reported.