Journal of Infrared and Millimeter Waves, Volume. 41, Issue 1, 2021352(2022)

The research progress of vacuum electron device in terahertz band

Shao-Jie CHANG1,2, Zhen-Hua WU1,2、*, Jie HUANG1,2, Tao ZHAO1,2, Di-Wei LIU1,2, Min HU1,2、**, Yan-Yu WEI1,3, Yu-Bin GONG1,3, and Sheng-Gang LIU1,2
Author Affiliations
  • 1Terahertz Science and Technology Research Center,University of Electronic Science and Technology of China,Chengdu 610054,China
  • 2Key Laboratory of Terahertz Technology,Ministry of Education,Chengdu 610054,China
  • 3National Key Laboratory of Science and Technology on Vacuum Electronics,University of Electronic Science and Technology of China,Chengdu 610054,China
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    The terahertz wave has great potential in deep space exploration, nondestructive testing, communication and security inspection because of its characteristics of electronics and photonics. The rapid development of terahertz technology in recent years is inseparable from the continuous progress of terahertz vacuum electronic devices. Due to the size sharing effect and the limitation of electron beam emission performance, this type of device has encountered considerable difficulty in the process of higher frequency bands. To solve these problems, a series of measures have been taken, such as improving high-frequency structure, controlling machining accuracy, preparing materials with better performance and more accurate calculation methods. This paper introduces the solutions and the latest progress of several mainstream miniaturized terahertz devices, and finally summarizes the problems and solutions that may be encountered in the future according to the current development situation.

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    Shao-Jie CHANG, Zhen-Hua WU, Jie HUANG, Tao ZHAO, Di-Wei LIU, Min HU, Yan-Yu WEI, Yu-Bin GONG, Sheng-Gang LIU. The research progress of vacuum electron device in terahertz band[J]. Journal of Infrared and Millimeter Waves, 2022, 41(1): 2021352

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    Paper Information

    Category: Research Articles

    Received: Nov. 5, 2021

    Accepted: --

    Published Online: Apr. 18, 2022

    The Author Email: Zhen-Hua WU (wuzhenhua@uestc.edu.cn), Min HU (hu_m@uestc.edu.cn)

    DOI:10.11972/j.issn.1001-9014.2022.01.005

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