Transmission properties of double-gap asymmetric split ring resonators in terahertz region

Transmission properties of double-gap asymmetric split ring resonators in terahertz region

We investigated the electromagnetic properties of the metamaterials that consist of double-gap split ring resonators (SRRs) in the terahertz region. We found that varying the position of one gap with respect to the other causes the resonant frequency of the SRRs to shift over a broad range. This fre...

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Bibliographic Details
Published in:Applied physics letters Vol. 101; no. 5; p. 51112
Main Authors: Miyamaru, F., Kubota, S., Nakanishi, T., Kawashima, S., Sato, N., Kitano, M., Takeda, M. W.
Format: Journal Article
Language:English
Published: 30-07-2012
Subjects:
Asymmetry
Capacitance
Electromagnetic properties
Frequency shift
Metamaterials
Resonant frequencies
Resonators
Simulation
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Summary:We investigated the electromagnetic properties of the metamaterials that consist of double-gap split ring resonators (SRRs) in the terahertz region. We found that varying the position of one gap with respect to the other causes the resonant frequency of the SRRs to shift over a broad range. This frequency shift is attributed to the change in the combined capacitance that consists of two capacitances of gaps connected in series and an additional capacitance connected in parallel to the others. Our findings are also verified by obtaining good agreement between experiments and simulations.
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ISSN:0003-6951
1077-3118
DOI:10.1063/1.4739945