Accurate equivalent-circuit descriptions of thin glide-symmetric corrugated metasurfaces,

Abstract : Thin artificial surfaces that act as high frequency bandgap structures have been recently studied for the design of gap waveguides, hard surfaces, and planar lenses. Here, we propose a circuit-based method to analyze glide-symmetric corrugated metasurfaces that are embedded in a thin parallel plate waveguide. Our closed-form solution is based on rigorous analytical derivations. It achieves remarkable agreement with full-wave solvers, even when the waveguide thickness is extremely thin. In contrast, classical homogenization approaches are shown to be inaccurate for thin waveguides due to the interaction of higher order Floquet modes between the surfaces. Numerical results validate our theoretical analysis and show the utility of the proposed method.
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Article dans une revue
IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 2017, 65 (5), pp.2695 - 2700. 〈10.1109/TAP.2017.2677923〉
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http://hal.upmc.fr/hal-01551734
Contributeur : Pascal Gomez <>
Soumis le : vendredi 30 juin 2017 - 14:43:23
Dernière modification le : vendredi 7 juillet 2017 - 10:33:40

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Guido Valerio, Zvonimir Sipus, Anthony Grbic, Oscar Quevedo-Teruel. Accurate equivalent-circuit descriptions of thin glide-symmetric corrugated metasurfaces,. IEEE Transactions on Antennas and Propagation, Institute of Electrical and Electronics Engineers, 2017, 65 (5), pp.2695 - 2700. 〈10.1109/TAP.2017.2677923〉. 〈hal-01551734〉

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