Decoupling of multifrequency dipole antenna arrays for microwave imaging applications

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage8en_US
dc.citation.spage1en_US
dc.citation.volumeNumber2010en_US
dc.contributor.authorSaenz, E.en_US
dc.contributor.authorGuven, K.en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.contributor.authorEderra, I.en_US
dc.contributor.authorGonzalo, R.en_US
dc.date.accessioned2016-02-08T09:58:08Z
dc.date.available2016-02-08T09:58:08Z
dc.date.issued2010en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.description.abstractThe mutual coupling between elements of a multifrequency dipole antenna array is experimentally investigated by S -parameter measurements and planar near-field scanning of the radiated field. A multifrequency array with six dipoles is analyzed. In order to reduce the coupling between dipoles, a planar metasurface is placed atop the array acting as superstrate. The mutual coupling of the antenna elements in the absence and presence of the superstrate is presented comparatively. Between 3 and 20dB mutual coupling reduction is achieved when the superstrate is used. By scanning the field radiated by the antennas and far-field measurements of the radiation pattern, it is observed that the superstrate confines the radiated power, increases the boresight radiation, and reduces the endfire radiation.en_US
dc.identifier.doi10.1155/2010/843624en_US
dc.identifier.issn1687-5869
dc.identifier.urihttp://hdl.handle.net/11693/22291
dc.language.isoEnglishen_US
dc.publisherHindawi Publishing Corporationen_US
dc.relation.isversionofhttp://dx.doi.org/10.1155/2010/843624en_US
dc.source.titleInternational Journal of Antennas and Propagationen_US
dc.subjectAntenna elementen_US
dc.subjectBoresighten_US
dc.subjectEnd-fireen_US
dc.subjectFar field measurementen_US
dc.subjectMicrowave imagingen_US
dc.subjectMulti frequencyen_US
dc.subjectMultifrequency arraysen_US
dc.subjectMutual couplingen_US
dc.subjectPlanar near-field scanningen_US
dc.subjectRadiated Fielden_US
dc.subjectRadiated poweren_US
dc.subjectRadiation patternsen_US
dc.subjectS-Parameter measurementsen_US
dc.subjectSuperstratesen_US
dc.subjectAntenna arraysen_US
dc.subjectDirectional patterns (antenna)en_US
dc.subjectFuzzy controlen_US
dc.subjectScattering parametersen_US
dc.subjectDipole antennasen_US
dc.titleDecoupling of multifrequency dipole antenna arrays for microwave imaging applicationsen_US
dc.typeArticleen_US
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