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Planar Broadband Huygens' Metasurfaces for Wave Manipulations

Journal article
Authors F. S. Cuesta
Ihar Faniayeu
V. S. Asadchy
S. A. Tretyakov
Published in Ieee Transactions on Antennas and Propagation
Volume 66
Issue 12
Pages 7117-7127
ISSN 0018-926X
Publication year 2018
Published at Department of Physics (GU)
Pages 7117-7127
Language en
Links dx.doi.org/10.1109/tap.2018.2869256
Keywords Chirality, Huygens, matching, metasurface, transparency, reflectarray, design, metamaterials, rotation, elements, arrays
Subject categories Signal Processing

Abstract

Electrically thin and effectively 2-D material composites, metasurfaces, have been widely exploited for the manipulation of electromagnetic waves. For many applications, it is desired to transform incident waves of a specific frequency range keeping the metasurface invisible at other frequencies. Such a frequency-selective response can be achieved based on subwavelength Huygens' inclusions. However, their fabrication requires sophisticated processes due to the 3-D geometry. Here, we propose a planar Huygens' meta-atom with the goal to open a way to realize broadband invisible metasurfaces with topologies suitable for the conventional printed circuit board fabrication technology. We synthesize and analyze, both numerically and experimentally, three different metasurfaces capable of polarization and amplitude transformations of incident waves.

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