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Article Dans Une Revue physica status solidi (b) Année : 2021

Wireless Experimental Determination of Dispersion Curves of Spoof Surface Plasmon Polariton Modes Supported by a Transmission Line

Résumé

Excitation of spoof surface plasmon polaritons (SSPPs) by means of a dipole antenna is considered to experimentally assess the dispersion curves of the two first modes guided by a meandered transmission line (TL). First, simulated dispersion curves bring out even and odd symmetries of the SSPP modes highlighted by magnetic field mappings. Then, a dipole antenna with vertical and horizontal polarization is proposed for generating the even and odd propagation modes by near-field magnetic coupling, respectively. Experimental validation is carried out with a SSPP TL fabricated on a flexible substrate (Kapton). For each mode, experiments show a pass-band feature of the transmission between two antennas coupled to the SSPP TL with ripples related to the presence of a standing wave. Finally, the dispersion curves are experimentally achieved using a de-embedding method applied on the scattering parameters directly measured between antennas without the need of a mode conversion structure. Experimental results are favorably compared with the simulated transmission and dispersion curves. © 2021 Wiley-VCH GmbH
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Dates et versions

hal-03542155 , version 1 (25-01-2022)

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A. Ghaddar, Eric Lheurette, Ludovic Burgnies. Wireless Experimental Determination of Dispersion Curves of Spoof Surface Plasmon Polariton Modes Supported by a Transmission Line. physica status solidi (b), 2021, 258 (6), pp.2100003. ⟨10.1002/pssb.202100003⟩. ⟨hal-03542155⟩
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