Abstract

In this paper, a multi-mode OAM beams generator based on reconfigurable reflective metasurface is proposed. The designed reconfigurable reflective metasurface consists of reconfigurable units loaded with diode, which achieve 180 degrees phase difference through diode on and off. By controlling the on-off of diodes on metasurface units to achieve different phase arrangements, OAM beams with multi-mode are obtained. The simulation results verify the feasibility of this design.

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