Archivio Istituzionale della RicercaA periodic structure of circular “mushroom”-like geometry within the unit cell, positioned between two metal planes inhomogeneously filled by different dielectrics is considered. Within the unit cell, the circular patch is connected to one of the planes by four vias and also loaded with metal cylinders (posts) to broaden the width and reduce the lower limit of the first electromagnetic band-gap, characteristics that are essential, for example, to parallel-plate noise suppression. The parametric studies performed by full-wave electromagnetic simulation provide for the variation of the number of posts as well for the geometric and material parameters of the structure.
Effect of cylindrical metal obstacles on the propagation of bloch waves in a shielded circular "mushroom' structures / Aldo De, Sabata; Matekovits, Ladislau; Yogesh, Ranga; Orefice, Mario. - ELETTRONICO. - (2014), pp. 959-962. (Intervento presentato al convegno The 8th European Conference on Antennas and Propagation (EuCAP 2014) tenutosi a The Hague, The Netherlands nel 6 - 11 April 2014) [10.1109/EuCAP.2014.6901922].
Effect of cylindrical metal obstacles on the propagation of bloch waves in a shielded circular "mushroom' structures
MATEKOVITS, Ladislau;OREFICE, Mario
2014
Abstract
A periodic structure of circular “mushroom”-like geometry within the unit cell, positioned between two metal planes inhomogeneously filled by different dielectrics is considered. Within the unit cell, the circular patch is connected to one of the planes by four vias and also loaded with metal cylinders (posts) to broaden the width and reduce the lower limit of the first electromagnetic band-gap, characteristics that are essential, for example, to parallel-plate noise suppression. The parametric studies performed by full-wave electromagnetic simulation provide for the variation of the number of posts as well for the geometric and material parameters of the structure.
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https://hdl.handle.net/11583/2582372
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