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Transformation electromagnetics : applications on beam controlled antenna design

Abstract : Transformation Electromagnetics technique was introduced by J. B. Pendry and U. Leonahrdt in 2006 and it has become an emerging research field in physics and engineering in the last few years after the concept was validated experimentally with a invisibility cloak in microwave regime. This technique claims the possibility of an unprecedented technique to control electromagnetic waves interaction with engineered materials to achieve exotic electromagnetic behaviour. Despite some issues about narrow bandwidth or excessive dispersive losses related to the use of metamaterials for realization of TE devices, this technique caught the attention in many research fields (optics microwave, acoustics, etc). The final purpose of this these is to explore and propose applications of Transformation Electromagnetics in the antenna design field by using standard materials with the purpose of controlling the radiation pattern of an antenna. More precisely, three applications were explored : a fiat "parabolic reflector", an all-dielectric superstrate to control the half power beamwidth of a patch antenna and finally a superstrate that allows to control drastically the radiation pattern of a planar antenna This work was funded by France and UK defence agencies (DSTL and DGA respectively), within the framework of MIMiCRA project (Metamateriallnspired Microwave Conformai Radar Antennas).
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  • HAL Id : tel-01723853, version 1



Mark Clemente Arenas. Transformation electromagnetics : applications on beam controlled antenna design. Electronics. Télécom ParisTech, 2014. English. ⟨NNT : 2014ENST0074⟩. ⟨tel-01723853⟩



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