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Title: Measurement techniques for polar electromagnetic bandgap structures using an air spaced microstrip line
Authors: Mulenga, Charity B.
Flint, James A.
Vaja, R.
Chauraya, Alford
Issue Date: 2008
Publisher: © IEEE
Citation: MULENGA, C.B. ... et al., 2008. Measurement techniques for polar electromagnetic bandgap structures using an air spaced microstrip line. IN: Loughborough Antennas and Propagation Conference (LAPC 2008), Loughborough, 17-18 March, pp. 341-344.
Abstract: The ability to accurately pinpoint with a high degree of accuracy the occurrence of the stop-band property in the newly engineered EBG materials is fundamental to their establishment. Measurement methods capable of achieving this have been proposed in literature but require intricate adjustments to suit particular requirements. In this paper we report on a repeatable measurement technique for characterising the bandgap properties of EBG structures using an air spaced microstrip line. The device constructed is simple, economical, robust and capable of quantifying the properties of a wide range of EBG materials. A tapered microstrip line transition is used to match a 50 􀂟 coaxial port. Simulation and measurement results using a Polar-EBG are presented to show the versatility of the proposed technique. In addition to this we demonstrate that by changing the orientation of the surface under test (SUT), transverse electric surface wave measurements can be carried out. This apparatus and measurement technique is particularly applicable to fabric based EBG materials where measurements are especially challenging.
Description: This is a conference paper [© IEEE]. It is also available at: http://ieeexplore.ieee.org/ Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Version: Published
DOI: 10.1109/LAPC.2008.4516936
URI: https://dspace.lboro.ac.uk/2134/6170
ISBN: 9781424418930
Appears in Collections:Conference Papers and Contributions (Electronic, Electrical and Systems Engineering)

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