Abstract
Metasurface has unique electromagnetic characteristics, and the polarization reconfigurable antenna can change its polarization characteristics without changing the operating frequency and radiation pattern. To study the effect of metasurface on the polarization characteristic of electromagnetic waves, a polarization reconfigurable antenna based on metasurface is proposed in this paper. The antenna is composed of metasurface and planar slot antenna, both of which adopt Rogers4350B, with a radius of 39mm, a thickness of 1.524mm, and dielectric constant of 3.48, as the circular dielectric substrate. The metasurface is rotated around the center of the planar slot antenna to reconstruct the metasurface-based antenna into left-handed circular polarization, right-handed circular polarization, and linear polarization antenna. The antenna's operating frequency is about 4.4GHz, and the operating frequency band (S11<-10dB) is about 3.15GHz-4.47GHz, including 3.6GHz-4.2GHz, the downlink frequency range of satellite communication C band, which is of great significance for research.
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