Retrieval of effective parameters for bianisotropic metamaterials with omega shaped metallic inclusions
Date
2011-11-18
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Source Title
Photonics and Nanostructures - Fundamentals and Applications
Print ISSN
1569-4410
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Publisher
Elsevier
Volume
10
Issue
3
Pages
329 - 336
Language
English
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Abstract
Bianisotropic metamaterials including Ω-shaped metallic elements are investigated experimentally and theoretically. A passband is observed for a composite metamaterial (CMM) based on an Ω-medium below the plasmonic frequency of the corresponding closed CMM. The effective parameters (refractive index, impedances, permittivity, permeability, and magnetoelectric coupling coefficient) are retrieved for the Ω-medium and the CMM based on it. Our retrieval results show that the passband observed for the CMM is a band with positive refractive indices. Our retrieval results confirm the deductions of our previous reports.
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Keywords
Bianisotropy , Effective parameters , Metamaterials , Omega media , Bianisotropic metamaterials , Bianisotropy , Composite metamaterials , Effective parameters , Magnetoelectric couplings , Metallic elements , Metallic inclusions , Omega media , Pass bands , Plasmonic , Metallic compounds , Refractive index , Metamaterials