Metasurface Synthesis With Arbitrary Incident Angles Using Planar Electric Impedance Surfaces

Metasurfaces are devices to manipulate electromagnetic wave propagations. Conventionally, nonplanar structures, e.g., metallic loops, are used to fabricate metasurfaces, which is complicated at high frequency regimes. In this paper, we propose a metasurface synthesis method using only planar electri...

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Bibliographic Details
Published in:IEEE journal on multiscale and multiphysics computational techniques 2019, Vol.4, p.51-56
Main Author: Zhu, Bo O.
Format: Article
Language:English
Subjects:
Computer simulation
Converters
Electromagnetic metamaterials
Electromagnetic radiation
Electromagnetic wave polarization
Impedance
Metasurface
Metasurfaces
oblique
Surface impedance
Synthesis
tensor
Tensors
transfer matrix
Very high frequencies
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Summary:Metasurfaces are devices to manipulate electromagnetic wave propagations. Conventionally, nonplanar structures, e.g., metallic loops, are used to fabricate metasurfaces, which is complicated at high frequency regimes. In this paper, we propose a metasurface synthesis method using only planar electric impedance surfaces, which are not only easy to fabricate even at very high frequencies, but also have big freedom to control electromagnetic wave propagations. Without loss of generality, the proposed method has taken into account the tensor form of the constituent planar electric surface impedance, as well as arbitrary incident angles. The proposed method is general so as to have a wide application scope. It has been validated by numerical simulations, and has been applied to design a reflectionless polarization converter working under oblique incidence as an application demonstration.
ISSN:2379-8815
2379-8815
DOI:10.1109/JMMCT.2019.2898089