Wave shaping through finite electromagnetic bandgap structure |
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Authors: | Olivier Vanbsien Tahsin Akalin Jorge Carbonell Jrme Danglot Didier Lippens |
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Institution: | Institut d‘Electronique et de Microélectronique du Nord, UMR CNRS 8520, Université des Sciences et Technologies de Lille, Avenue Poincaré, BP 69, F-59652 Villeneuve d‘Ascq Cedex, France |
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Abstract: | Transmission mechanisms and wave steering under localized feeding conditions through a finite electromagnetic bandgap structure are investigated both experimentally and theoretically. The artificial propagating medium consists of a two-dimensional metallic wire structure dimensioned for millimetre wave operation. By analogy with electron propagation in semiconductor heterostructures, the signatures of ‘modal‘ and ‘fluid‘ propagation regimes are experimentally demonstrated. Data are then analysed through electric field patterns calculated by means of a three-dimensional solver of Maxwell‘s equations. |
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Keywords: | electromagnetic bandgap photonic crystal antenna millimetre waves beam steering |
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