Some Applications of Metamaterial Resonators Based on Symmetry Properties
J. Naqui and F. Martín

Source CMC: Computers, Materials & Continua, Vol. 39, No. 3, pp. 267-288, 2014
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Keywords Metamaterials, split ring resonators (SRRs), duality, stepped impedance resonators (SIRs), differential lines, microwave sensors, RF barcodes
Abstract Metamaterial resonators are electrically small resonant particles useful for the implementation of effective media metamaterials. In this paper, some applications of metamaterial resonators (such as the split ring resonator -SRR-, the complementary split ring resonator -CSRR-, the folded stepped impedance resonator -SIR-, and the electric LC resonator), that exploit the symmetry properties of transmission lines loaded with such symmetric particles, are reviewed. This covers differential (balanced) lines with common mode suppression, linear and angular displacement sensors (including alignment sensors), angular velocity sensors, and radiofrequency barcodes. Advantages and drawbacks as compared to existing implementations are also discussed.
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