Scattering Matrix Analysis of Uniaxial Anisotropic Metamaterial Waveguide Discontinuities

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In this paper, we explain fairly detailed formulations for the Mode-Matching Technique (MMT) using the Scattering Matrix Approach (SMA) which, from the decomposition of the modal fields, are used to determine the dispersion matrix and thus the characterization of a discontinuity in waveguide. Some applications of discontinuities in cascaded periodic structures containing anisotropic metamaterial in rectangular metallic waveguide are then proposed. We compare the proposed method with the simulation under HFSS. A good comparison is obtained. In addition, this method is much faster than with HFSS.

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Anisotropic metmaterials, Discontinuities, MMT, SMA, Waveguide

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