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Design and characterization of a compact Artificial Magnetic Conductor in the UHF band

Publié le 29 mars 2018
Design and characterization of a compact Artificial Magnetic Conductor in the UHF band
Auteurs
Kristou N., Pintos J.-F., Bories S., Mahdjoubi K.
Year2017-0214
Source-Title2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications, iWAT 2017
Affiliations
CEA-LETI, MINATEC Campus, Grenoble, France, IETR, Université de Rennes 1, Rennes, France
Abstract
Artificial Magnetic Conductors (AMCs) design and characterization in the UHF band is a big challenge while realizing low-profile antenna. In fact, AMCs unit cell often balance large geometries with high dielectric constants to achieve the desired frequency target while maintaining a minimal thickness. A compact AMC unit cell achieving a 37% reduction in the largest dimension (or 60% of surface reduction) is proposed in this paper. Numerical technique is applied to simulate the behavior of the considered AMC and the conventional one based on mushroom-like unit cell. Two measurements methods in anechoic chamber (monostatic RCS and TEM cell measurements) have been compared to characterize the manufactured prototypes. Good agreement has been found between simulations and measurements. © 2017 IEEE.
Author-Keywords
AMC characterisation, AMC miniaturisation, Artificial Magnetic Conductor (AMC), Metasurface, RCS measurement, TEM cell measurement
Index-Keywords
Characterization, Cytology, Magnetism, UHF devices, AMC characterisation, Artificial magnetic conductors, Metasurface, Miniaturisation, TEM-Cell measurements, Cells
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