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Type: Journal article
Title: Compact electric-LC resonators for metamaterials
Author: Withayachumnankul, W.
Fumeaux, C.
Abbott, D.
Citation: Optics Express, 2010; 18(25):25912-25921
Publisher: Optical Soc Amer
Issue Date: 2010
ISSN: 1094-4087
Statement of
Withawat Withayachumnankul, Christophe Fumeaux and Derek Abbott
Abstract: Alternative designs to an electric-LC (ELC) resonator, which is a type of metamaterial inclusion, are presented in this article. Fitting the resonator with an interdigital capacitor (IDC) helps to increase the total capacitance of the structure. In effect, its resonance frequency is shifted downwards. This implies a decreased overall resonator size with respect to its operating wavelength. As a result, the metamaterial, composed of an array of IDC-loaded ELC resonators with their collective electromagnetic response, possesses improved homogeneity and hence is less influenced by diffraction effects of individual cells. The impact of incorporating an IDC into ELC resonators in terms of the electrical size at resonance and other relevant properties are investigated through both simulation and experiment in the microwave regime. The proposed structures can be applied to the terahertz and infrared regimes via appropriate lithographic scaling.
Keywords: Equipment Failure Analysis; Transducers; Computer-Aided Design; Optical Devices; Electric Capacitance; Equipment Design; Manufactured Materials; Miniaturization
Rights: © Copyright 2010 Optical Society of America
RMID: 0020101722
DOI: 10.1364/OE.18.025912
Grant ID:
Appears in Collections:Electrical and Electronic Engineering publications

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