Comparison of simulation and measurement for 1D metamaterial devices

Tong Hao; Grahame Faulkner; Chris Stevens; David Edwards

doi:10.1117/12.621103

27 September 2005 Comparison of simulation and measurement for 1-D metamaterial devices

Tong Hao, Grahame Faulkner, Chris Stevens, David Edwards

Proceedings Volume 5955, Metamaterials; 59550R (2005) https://doi.org/10.1117/12.621103
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

We have conducted numerical and experimental studies of a simple metamaterial structure formed from 'C' shaped copper rings. Our study focuses on the investigation of the individual resonant elements by surface current and Q factor. We have also analysed wavelike signal propagation along these structures' axes recently predicted theoretically - so called magneto-inductive waves (MIWs). Computer based finite difference electromagnetic methods have been employed to both visualize the surface currents and investigate the effects of varying coupling within the structures. Experimental work has closely followed the theoretical work with measurements carried out using a Vector Network Analyzer to determine the frequency dependent scattering parameters. Applications of these structures are also considered in our work and the aim is to develop a robust, reliable design tool that enables rapid determination of the appropriate dimensions to enable operation of a magneto-inductive waveguide at a desired frequency. The simulation work demonstrates the possibilities for wave propagation in curved guides formed from stacks and rows of elements. And these may form the basis for a new class of microwave filter offering tunability and flexibility and requiring no direct connections to the driving circuits.

Citation Download Citation

Tong Hao, Grahame Faulkner, Chris Stevens, and David Edwards "Comparison of simulation and measurement for 1-D metamaterial devices", Proc. SPIE 5955, Metamaterials, 59550R (27 September 2005); https://doi.org/10.1117/12.621103

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