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The Modal Expansion Theory Applied to 3-D Metamaterial Waveguides Characterization

Lucille Kuhler 1, 2 Nathalie Raveu 1 Gwenn Le Fur 3 Luc Duchesne 4
1 LAPLACE - LAboratoire PLasma et Conversion d'Energie
2 ENAC - Ecole Nationale de l'Aviation Civile
3 CNES - Centre National d'Études Spatiales [Toulouse]
4 MVG Industries
Abstract : In this article, the Modal Expansion Theory (MET) is applied to 3-D metamaterial waveguides. The equivalent surface impedances of the metamaterial are computed thanks to an open software: GetDP, based on a 3-D Finite-Element-Method (FEM). This program is called during the MET algorithm, which allows considering the frequency and incidence angle dependency of the surface impedances of the metamaterial to compute the dispersion diagrams and the field cartography. To validate the dispersion diagrams obtained with this technique, another FEM commercial software (HFSS) is used as a reference.
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https://hal-enac.archives-ouvertes.fr/hal-02749411
Contributor : Lucille Kuhler <>
Submitted on : Wednesday, June 3, 2020 - 3:22:53 PM
Last modification on : Tuesday, October 20, 2020 - 10:32:07 AM

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Lucille Kuhler, Nathalie Raveu, Gwenn Le Fur, Luc Duchesne. The Modal Expansion Theory Applied to 3-D Metamaterial Waveguides Characterization. Progress In Electromagnetics Research M, EMW Publishing, 2020, 92, pp.31-41. ⟨10.2528/PIERM20010804⟩. ⟨hal-02749411⟩

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