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Zhongtao CUI, Xuesong YUAN, Xiaotao XU, et al., “Theoretical Research on a D-Band Traveling Wave Extended Interaction Amplifier,” Chinese Journal of Electronics, vol. x, no. x, pp. 1–6, xxxx doi: 10.23919/cje.2022.00.345
Citation: Zhongtao CUI, Xuesong YUAN, Xiaotao XU, et al., “Theoretical Research on a D-Band Traveling Wave Extended Interaction Amplifier,” Chinese Journal of Electronics, vol. x, no. x, pp. 1–6, xxxx doi: 10.23919/cje.2022.00.345

Theoretical Research on a D-Band Traveling Wave Extended Interaction Amplifier

doi: 10.23919/cje.2022.00.345
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  • Author Bio:

    Zhongtao CUI was born in 1997. He received the B.E. degree in electronic science and technology from University of Electronic Science and Technology of China. He is a Ph.D. candidate of electronic science and technology. His research interests include millimeter waves and terahertz radiation generation, cold cathode particle beam generation. (Email: czt970319@163.com)

    Xuesong YUAN was born in 1980. He received the Ph.D. degree in plasma physics from University of Electronic Science and Technology of China in 2008. He is a professor of Physical Electronics. His research interests include millimeter waves and terahertz radiation generation and cold cathode particle beam generation. (Email: yuanxs@uestc.edu.cn)

    Xiaotao XU was born in 1994. His research interests include millimeter waves and terahertz radiation generation, cold cathode particle beam generation. (Email: 1021469629@qq.com)

    Dongrui CHEN was born in 1996. She received the M.S. degree from the University of Electronic Science and Technology of China, Electronic Science and Technology, in 2023. Her research interests include millimeter waves and terahertz radiation generation. (Email: 921777061@qq.com)

    Yifan ZU was born in 1995. He received the Ph.D. degree from the University of Electronic Science and Technology of China in 2023. His research interests include millimeter waves and terahertz radiation generation and cold cathode particle beam generation. (Email: 624359574@qq.com)

    Matthew Thomas Cole received the M.Eng. degree in engineering sciences from Oxford University, U.K., in 2008, and the Ph.D. degree in electrical engineering from Cambridge University, U.K., in 2011. He is currently an Oppenheimer Research Fellow with the Department of Engineering, Cambridge University. His current research interests include the heterogeneous integration of chemical vapor deposited aligned nanomaterials.(Email: mtc47@bath.ac.uk)

    Qingyun CHEN She received the Ph.D. degree from the University of Electronic Science and Technology of China in 2022. Her research interests include millimeter waves and terahertz radiation generation and cold cathode particle beam generation. (Email: 978871504@qq.com)

    Yang YAN received the B.S. and Ph.D. degrees from the University of Electronic Science and Technology of China (UESTC), in 1986 and 1995, respectively. He is currently engaged in research with the Terahertz Researcher Center, UESTC, where he is involved in the areas of gyrotrons, laser fusion, free-electron lasers, high power microwaves, and fundamental plasma physics. He is a Professor at UESTC. (Email: yanyang@uestc.edu.cn)

  • Corresponding author: Email: yuanxs@uestc.edu.cn
  • Received Date: 2022-03-22
  • Accepted Date: 2022-03-22
  • Available Online: 2024-03-07
  • A traveling-wave, extended interaction amplifier is herein investigated for use in millimeter-wave and terahertz amplification sources. By placing engineered extended interaction cavities between the traveling wave structures, higher gain is obtained with a shorter high frequency circuit, compared with conventional traveling wave tubes architectures. The bandwidth of the device is significantly increased relative to extended interaction klystrons. A D-band beam wave interaction circuit of 26 mm long has been designed. Particle in cell simulations at 21.5 kV operating voltage, 0.3 A beam current, and 5 mW input power show that the maximum output power reaches 351 W, with a gain of 48.4 dB and 3-dB bandwidth of 1.42 GHz.
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