Abstract
Since the orbital angular monument (OAM) can improve the channel capability enormously, the generation of vortex wave carrying OAM has became research hotspots. In this paper, a novel metasurface is proposed which can generate vortex wave in arbitrary polarization states. By varying the polarization direction of the incident wave, the polarization of the vortex wave switch between linear polarization, elliptical polarization and circular polarization. The simulation results verify that the metasurface can generate vortex wave in x-pol, right hand circular polarization, y-pol and left hand circular polarization in 14GHz. The proposed method can pave the way to generate vortex wave in wireless communication applications.
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