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Radio frequency (RF) metamaterials
Author(s) -
Wiltshire M. C. K.
Publication year - 2007
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200674511
Subject(s) - metamaterial , homogenization (climate) , wavelength , radio frequency , plasmon , resolution (logic) , physics , optics , materials science , optoelectronics , computer science , telecommunications , biodiversity , ecology , artificial intelligence , biology
By studying metamaterials at low frequency, where wavelengths are much larger than the unit cell, the requirements of homogenization and the effective medium approximation can be easily met. The Swiss Roll medium is well‐suited to the RF frequency range, and here we review its behaviour, both as a one‐dimensional system where endoscope behaviour and magnetic “plasmons” are observed, and as a two dimensional structure which has been used to demonstrate sub‐wavelength ( λ /64 resolution) imaging. In both cases, the analytical and numerical predictions based on an effective medium model are in good agreement with the measured data. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)