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  • Metamaterials are artificial composite media exhibiting electromagnetic responses that natural materials do not provide. They enable their permittivity and permeability to be cast down to negative values. Metamaterials are known in two forms: volumetric medium and planar version. The first form is characterized by field theory, while the second form utilizes transmission line theory. There is a brief report on the authors' innovative findings. It concerns the utilization of split ring resonators in isotropic negative permeability metamaterials, an isotropic negative permittivity medium, CPW supporting a left-handed wave, and wire media exhibiting negative permittivity. Finally, prospects for further developments in this interesting field are presented.
  • Metamaterials are artificial composite media exhibiting electromagnetic responses that natural materials do not provide. They enable their permittivity and permeability to be cast down to negative values. Metamaterials are known in two forms: volumetric medium and planar version. The first form is characterized by field theory, while the second form utilizes transmission line theory. There is a brief report on the authors' innovative findings. It concerns the utilization of split ring resonators in isotropic negative permeability metamaterials, an isotropic negative permittivity medium, CPW supporting a left-handed wave, and wire media exhibiting negative permittivity. Finally, prospects for further developments in this interesting field are presented. (en)
  • Metamateriály jsou umělé kompozitní materiály, které vykazují elektromagnetickou odezvu, neznámou u přírodních materiálů. Jejich permitivita a permeabilita může být záporná. Metamateriály mohou být dvou druhů: objemové médium, planární vedení. První forma je charakterizována teorií pole, kdežto druhá využívá teorii přenosových vedení. Jsou ukázány původní výsledky autorů: použití split-ring rezonátorů v metamateriálu se zápornou permeabititou, návrh isotropního média se zápornou permeabilitou a permitivitou, koplanární vedení se zpětnou vlnou, drátkové medium vykazující zápornou permitivitu. Závěrem jsou ukázány směry dalšího vývoje. (cs)
Title
  • Metamaterials - A Challenge for Contemporary Advanced Technology
  • Metamaterials - A Challenge for Contemporary Advanced Technology (en)
  • Metamateriály - výzva pro moderní technologii (cs)
skos:prefLabel
  • Metamaterials - A Challenge for Contemporary Advanced Technology
  • Metamaterials - A Challenge for Contemporary Advanced Technology (en)
  • Metamateriály - výzva pro moderní technologii (cs)
skos:notation
  • RIV/68407700:21230/07:03129762!RIV08-GA0-21230___
http://linked.open.../vavai/riv/strany
  • 251;262
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  • P(GA102/06/1106)
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  • 433043
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  • RIV/68407700:21230/07:03129762
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  • 1D and 2D planar circuits; 3D solid volumetric medium; metamaterial; permeability; permittivity (en)
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  • [64985CAB6F6E]
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  • VUT v Brně, FEKT, ÚREL
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  • Brno
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  • Proceedings of 17th International Conference Radioelektronika 2007
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  • Jelínek, Lukáš
  • Macháč, Jan
  • Zehentner, Ján
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  • Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií
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  • 1-4244-0821-0
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  • 21230
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