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Electromagnetic characterization of metamaterials in the centimetric frequency band using an original adjustable height stripline

Abstract : We propose a broadband measurement method for measuring the electromagnetic (EM) properties of metamaterials in the 1-6 GHz frequency range. For this experimental technique, an original adjustable height strip transmission-line was developed that makes it possible to characterize metamaterials with different volumes and different numbers of unit cells. Therefore, it was possible to assess the influence of the number of unit cells in a sample on the measured constitutive parameters (complex permittivity and permeability). This study enabled us to define the criterion of the representative elementary number of cells. This criterion must be satisfied in practice in order to determine the microwave behavior for the sample under test in as close as possible to an infinite medium, whose EM properties can only be determined from simulations. Experimental and theoretical results for split ring resonator-type metamaterials are presented, compared, and discussed.
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https://hal.univ-brest.fr/hal-01068637
Contributor : Alexis Chevalier <>
Submitted on : Friday, September 26, 2014 - 9:41:22 AM
Last modification on : Wednesday, June 24, 2020 - 4:19:29 PM
Long-term archiving on: : Saturday, December 27, 2014 - 10:20:56 AM

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Alexis Chevalier, Sandra Gomez, Patrick Queffelec. Electromagnetic characterization of metamaterials in the centimetric frequency band using an original adjustable height stripline. Journal of Applied Physics, American Institute of Physics, 2014, Vol. 116, pp.124901. ⟨10.1063/1.4828876⟩. ⟨hal-01068637⟩

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