The trapezoidal dielectric resonator antenna

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dc.contributor.authorAlmpanis, G.
dc.contributor.authorFumeaux, C.
dc.contributor.authorVahldieck, R.
dc.date.issued2008
dc.description.abstractThe operational concepts of the trapezoidal dielectric resonator antennas (DRAs) are presented and their performance is studied theoretically and experimentally. The rectangular parallelepiped is a special case of the more general trapezoid and therefore a comparison between both is useful in order to highlight their similarities and differences. It is shown in this paper that the inverted trapezoidal DRA exhibits a significantly larger impedance bandwidth than the rectangular parallelepiped, while the rest of their properties remain similar. Based on that, two versions of a probe-fed wide-band linearly polarized (LP) DRA are designed by combing the resonances of the first two lower-order modes of the trapezoidal DRA. The resulting impedance bandwidth exceeds 55% (S₁₁< -10 dB) and the patterns are broadside with low cross-polarization. The antennas are simple to fabricate and they can be easily made to be mechanically stable. The numerical analysis was performed with a commercially available FEM solver and an in-house developed finite-volume-time-domain (FVTD) code. The measurements confirmed the results of the simulations.
dc.description.statementofresponsibilityGeorgios Almpanis, Christophe Fumeaux and Ruediger Vahldieck
dc.identifier.citationIEEE Transactions on Antennas and Propagation, 2008; 56(9):2810-2816
dc.identifier.doi10.1109/TAP.2008.928787
dc.identifier.issn0018-926X
dc.identifier.orcidFumeaux, C. [0000-0001-6831-7213]
dc.identifier.urihttp://hdl.handle.net/2440/55428
dc.language.isoen
dc.publisherIEEE-Inst Electrical Electronics Engineers Inc
dc.source.urihttps://doi.org/10.1109/tap.2008.928787
dc.titleThe trapezoidal dielectric resonator antenna
dc.typeJournal article
pubs.publication-statusPublished

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