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Circular High-Impedance Surfaces Characterization

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3 Author(s)
Julien Sarrazin ; Institut Telecom; Telecom ParisTech; CNRS; LTCI, Paris, France ; Anne-Claire Lepage ; Xavier Begaud

In this letter, characterization of circular high-impedance surfaces (HISs) is investigated. The reflection phase characterization used for rectangular HISs is here extended to circular lattices. Circular HISs discussed in this letter present a 2-D periodicity, and consequently the phase diagram is determined for concentric and radial polarizations. The effect of mapping a rectangular HIS into a circular one is investigated in order to give some insights regarding the design of such metasurface. The presented characterization constitutes a useful tool for the design of low-profile antennas using HIS as reflector.

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IEEE Antennas and Wireless Propagation Letters  (Volume:11 )