Higher order reentrant post modes in cylindrical cavities

Ben T. McAllister, Yifan Shen, Graeme Flower, Stephen R. Parker, Michael E. Tobar

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    Abstract

    Reentrant cavities are microwave resonant devices employed in a number of different areas of physics. They are appealing due to their simple frequency tuning mechanism, which offers large tuning ranges. Reentrant cavities are, in essence, 3D lumped LC circuits consisting of a conducting central post embedded in a resonant cavity. The lowest order reentrant mode (which transforms from the TM010 mode) has been extensively studied in past publications. In this work, we show the existence of higher order reentrant post modes (which transform from the TM01 n mode family). We characterize these new modes in terms of their frequency tuning, filling factors, and quality factors, as well as discuss some possible applications of these modes in fundamental physics tests.

    LanguageEnglish
    Article number144501
    JournalJournal of Applied Physics
    Volume122
    Issue number14
    DOIs
    StatePublished - 14 Oct 2017

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    cavities
    tuning
    LC circuits
    physics
    cavity resonators
    Q factors
    microwaves
    conduction

    Cite this

    McAllister, B. T., Shen, Y., Flower, G., Parker, S. R., & Tobar, M. E. (2017). Higher order reentrant post modes in cylindrical cavities. Journal of Applied Physics, 122(14), [144501]. DOI: 10.1063/1.4991751
    McAllister, Ben T. ; Shen, Yifan ; Flower, Graeme ; Parker, Stephen R. ; Tobar, Michael E./ Higher order reentrant post modes in cylindrical cavities. In: Journal of Applied Physics. 2017 ; Vol. 122, No. 14.
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    McAllister, BT, Shen, Y, Flower, G, Parker, SR & Tobar, ME 2017, 'Higher order reentrant post modes in cylindrical cavities' Journal of Applied Physics, vol 122, no. 14, 144501. DOI: 10.1063/1.4991751

    Higher order reentrant post modes in cylindrical cavities. / McAllister, Ben T.; Shen, Yifan; Flower, Graeme; Parker, Stephen R.; Tobar, Michael E.

    In: Journal of Applied Physics, Vol. 122, No. 14, 144501, 14.10.2017.

    Research output: Contribution to journalArticle

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    McAllister BT, Shen Y, Flower G, Parker SR, Tobar ME. Higher order reentrant post modes in cylindrical cavities. Journal of Applied Physics. 2017 Oct 14;122(14). 144501. Available from, DOI: 10.1063/1.4991751