Terahertz harmonic gyrotron based on spoof surface plasmon

Li, Si-Qi and Du, Chao-Hai and Zhu, Juan-Feng and Zhang, Zi-Wen and Li, Fan-Hong and Zhang, Liang and Cross, Adrian W. and Liu, Pu-Kun; (2020) Terahertz harmonic gyrotron based on spoof surface plasmon. In: 2020 13th UK-Europe-China Workshop on Millimetre-Waves and Terahertz Technologies. IEEE, CHN. ISBN 9781728190648 (https://doi.org/10.1109/UCMMT49983.2020.9296010)

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Abstract

Gyrotron is based on the principle of relativistic electron cyclotron maser. With the working frequency increasing to terahertz band, the mode competition problem is caused by the interaction between harmonic cyclotron electrons and high order electromagnetic modes. In order to solve this problem, the interaction cavity of harmonic gyrotron based on spoof surface plasmon (SSP) is proposed in this paper, and its eigenmode frequency is studied, the concept of Band Gap is proposed. If the competition frequency is in the stopband, the competition mode will not be generated. Finally, the Particle-in-cell (PIC) simulation is carried out, which proves that the structure can make the terahertz gyrotron work in the single mode in state of high harmonics.

ORCID iDs

Li, Si-Qi, Du, Chao-Hai, Zhu, Juan-Feng, Zhang, Zi-Wen, Li, Fan-Hong, Zhang, Liang ORCID logoORCID: https://orcid.org/0000-0002-6317-0395, Cross, Adrian W. ORCID logoORCID: https://orcid.org/0000-0001-7672-1283 and Liu, Pu-Kun;
  • Item type:Book Section
    ID code:76344
    Dates:
    Date
    Event
    30 December 2020
    Published
    24 July 2020
    Accepted
    Notes:© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:06 May 2021 10:49
    Last modified:11 Nov 2024 15:24
    URI:https://strathprints.strath.ac.uk/id/eprint/76344
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