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Article Dans Une Revue IEEE Transactions on Microwave Theory and Techniques Année : 2019

Bloch Analysis of Artificial Lines and Surfaces Exhibiting Glide Symmetry

Résumé

Glide-symmetric structures have recently emerged as a smart choice to design planar lenses and electromagnetic band-gap materials. We discuss here under which conditions a glide-symmetric structure is equivalent to a non-glide-symmetric structure with a reduced period. To this aim, we propose an analysis method based on network theory to efficiently derive the dispersive behavior of these periodic structures. Both phase and attenuating constants can be determined, with potential applications to both guiding and radiating structures. Retaining higher-order modal interactions among cells helps to derive the dispersive behavior of periodic structures more accurately. Furthermore, we take advantage of the higher symmetry of these structures to decrease the computational cost by considering only one half or one quarter of a unit cell instead of the entire cell. We study one and two-dimensional glide-symmetric structures and confirm the validity of our analysis with comparisons from commercial software.
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Dates et versions

hal-02505521 , version 1 (11-03-2020)

Identifiants

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Mohammad Bagheriasl, Oscar Quevedo-Teruel, Guido Valerio. Bloch Analysis of Artificial Lines and Surfaces Exhibiting Glide Symmetry. IEEE Transactions on Microwave Theory and Techniques, 2019, 67 (7), pp.2618-2628. ⟨10.1109/TMTT.2019.2916821⟩. ⟨hal-02505521⟩
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