Coupling structure for a high Q corrugated cavity as a microwave undulator

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Zhang, Liang and He, Wenlong and Donaldson, Craig R. and Clarke, Jim and Ronald, Kevin and Phelps, Alan D. R. and Cross, Adrian W. (2019) Coupling structure for a high Q corrugated cavity as a microwave undulator. IEEE Transactions on Electron Devices, 66 (10). pp. 4392-4397. ISSN 0018-9383 (https://doi.org/10.1109/TED.2019.2933557)

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Abstract

Microwave undulators can achieve smaller wiggler periods when compared with permanent magnet undulators. This work follows on the design of a microwave undulator composed of a corrugated waveguide operating at 36 GHz. Compatible end caps and coupling structures for the waveguide to form a complete cavity were studied and are presented in this paper. Their design is scalable for different operating frequencies and periods of the corrugated waveguide. A set of empirical equations, that allows the geometry to be determined analytically, were found from the post-processing of the FDTD simulation. The support of the STFC UK (Cockcroft Institute Core GrantR160525-1) is gratefully acknowledged. This work is supported by European Union (EU) Horizon 2020 Project “CompactLight” 2017-2021. “CompactLight” grant code: 777431-XLS. Published data 31 Oct 2019, under Self-archiving / 'green' OA.

ORCID iDs

Zhang, Liang ORCID logoORCID: https://orcid.org/0000-0002-6317-0395, He, Wenlong ORCID logoORCID: https://orcid.org/0000-0001-7018-0527, Donaldson, Craig R. ORCID logoORCID: https://orcid.org/0000-0001-6627-2461, Clarke, Jim, Ronald, Kevin ORCID logoORCID: https://orcid.org/0000-0002-8585-0746, Phelps, Alan D. R. ORCID logoORCID: https://orcid.org/0000-0002-1100-1012 and Cross, Adrian W. ORCID logoORCID: https://orcid.org/0000-0001-7672-1283;
  • Item type:Article
    ID code:69243
    Dates:
    Date
    Event
    31 October 2019
    Published
    20 August 2019
    Published Online
    4 August 2019
    Accepted
    Notes:© 2019 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
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:08 Aug 2019 12:49
    Last modified:01 Jun 2025 07:14
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/69243
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