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High‐gain polarization conversion metasurface
Aixin Chen,Xiangwei Ning,Xin Liu,Zhe Zhang 한국전자통신연구원 2019 ETRI Journal Vol.41 No.2
A novel analytical method based on the cavity mode theory to design a metasurface (MS) is proposed in this study. We carefully analyzed the phase and amplitude characteristics of the incident wave and transmitted wave, and successfully designed a circular polarization conversion MS by introducing a cutting structure with wider operation bandwidth and higher radiation direction gain compared with that of the original MS. For the measurements, a microstrip antenna operating at 2.4 GHz was used as the source antenna to verify the designed MS. The simulation and measurement results agree well with each other.