Characteristics of dielectric ring resonator antenna with an air gap

S. M. Shum, K. M. Luk

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    54 Citations (Scopus)

    Abstract

    The characteristics of centre probe-fed cylindrical dielectric ring resonator antennas with an air gap are studied both theoretically and experimentally. The return loss of the TM01δ mode is evaluated by using the finite-difference time-domain (FDTD) method and the result agrees well with the measured data. It is demonstrated that the impedance bandwidth can be improved by adjusting the air-gap spacing.
    Original languageEnglish
    Pages (from-to)277-278
    JournalElectronics Letters
    Volume30
    Issue number4
    DOIs
    Publication statusPublished - 1 Jan 1994

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