Polarization properties of a metasurface based on rectangular Ω-elements on a glass textolite substrate

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Abstract
The goal of this project is to create a new type of polarizer using printed circuit boards that can convert an incident linearly polarized wave into a reflected circularly polarized wave in the microwave range. This device represents a metamaterial surface consisting of a metal plate array made up of flat copper rectangular Ω-elements on a glass fiber substrate. By optimizing the shape of these elements, we found that they can also be used as absorbers for microwaves in addition to their ability to transform polarization. We showed that this form of Ω-resonators, which make up the metamaterial surface, are universal for use in THz polarizers. Finally, we investigated the polarization-selective properties of a metamaterial based on standard copper-coated fiberglass. This material exhibited polarization-selective properties near the resonant frequency in the microwave range and can be used as an effective polarization converter for microwaves.

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