Study of resonance-cone propagation in truncated hyperbolic metamaterial grids using transmission-line matrix simulations |
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| Authors: | Omar F Siddiqui George V Eleftheriades |
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| Institution: | a Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada
b Department of Electrical and Computer Engineering, University of Toronto, Toronto, Canada |
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| Abstract: | In this paper, we utilize transmission-line matrix simulations to study the electromagnetic properties of hyperbolic metamaterial grids, which are synthesized by arranging unloaded transmission lines over electrical ground planes, such that the unit cells are rectangular in shape. The hyperbolic grids support Bragg and Hyperbolic resonant modes that have rectangular and hyperbolic dispersion surfaces, respectively. We demonstrate the formation of these resonant modes in the hyperbolic grids and their refraction, and spatial scanning properties via circuit simulations. The simulation results are compared with experimental results of a two-layer anisotropic hyperbolic metamaterial. |
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| Keywords: | Hyperbolic dispersion Transmission-line metamaterials Spatial filtering Hyperbolic grids I |
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