Improving antenna near-field pattern by use of artificial impedance screens

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dc.creatorMaslovski, Stanislav
dc.creatorIkonen, Pekka
dc.creatorSimovski, Constantin
dc.creatorKarkkainen, Mikko
dc.creatorTretyakov, Sergei
dc.creatorDenchev, Vasil
dc.date2005-04-18
dc.date.accessioned2026-07-07T05:54:40Z
dc.date.available2026-07-07T05:54:40Z
dc.descriptionAn antenna prototype utilizing artificial impedance surfaces to control the near field distribution is described. The antenna is a folded dipole placed above a finite-size artificial impedance surface. We have found that the field screening is most effective if the surface is a metal conductor. However, to achieve a reasonable value of the radiation resistance the dipole should be located far off the screen. If the surface is a magnetic wall, the antenna design is more compact, but the field behind the screen is large. Here we realize a compromise solution using an inductive surface of a moderate surface impedance, which allows realization of an effective near-field screen with still a reasonably low-profile design.
dc.description10 pages, 12 figures, 3 tables
dc.identifierhttps://arxiv.org/abs/physics/0504123
dc.identifierhttp://arxiv.org/abs/physics/0504123
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/87041
dc.subjectClassical Physics
dc.subjectGeneral Physics
dc.titleImproving antenna near-field pattern by use of artificial impedance screens
dc.typetext

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