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Type: Conference paper
Title: Two-step rectangular dielectric resonator antenna
Author: Almpanis, G.
Fumeaux, C.
Vahldieck, R.
Citation: Proceedings of The European Conference on Antennas and Propagation: EuCAP 2006, held in Nice, France, 6-10 November 2006 / H. Lacoste, L. Ouwehand (eds.)
Publisher: European Space Agency
Issue Date: 2006
ISBN: 9290929375
ISSN: 0379-6566
Conference Name: European Conference on Antennas and Propagation (1st : 2006 : Nice, France)
Statement of
G. AImpanis, C. Fumeaux and R Vahidieck
Abstract: A coaxial-fed two-step rectangular dielectric resonator antenna (DRA) with wideband characteristics is studied theoretically and experimentally. The fundamental TE111 mode of the rectangular DRA features some attractive properties, such as a low radiation Q factor and broadside radiation patterns. In this paper, a two-step rectangular DRA is fed by means of a probe placed in direct contact with one facet of the structure. This results in the excitation of three modes with similar radiation characteristics. Therefore, tri-band or wideband operation can be achieved, if these modes are designed to resonate at nearby frequencies. Over 47% impedance bandwidth is obtained, while the polarization and the radiation patterns remain remarkably stable.
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Appears in Collections:Aurora harvest
Electrical and Electronic Engineering publications

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