Zhaoneng Jiang, Zhiwei Li, Liyin Nie, Yang Zheng, Ye Jiang, Feibiao Dong, Yankong Zhang
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A Low Profile Reflective Metasurface Element for Generating Vortex Wave
In this paper, a new type of reflective metasurface element with low profile is proposed. The simulation results show that the element has a reflection phase shift of 425 degrees at 10 GHz with the change of size, which meets the requirement of 360 degrees phase shift. Two types of reflective metasurface with vortex wave are designed by using this element. The mode numbers of the two reflective metasurfaces are l=+1 and l=+2, respectively. Simulation results show that the phase shift above the two metasurface are 2π and 4π respectively. Overall dimension of the antenna is 201.5 mm × 201.5mm × 3.5mm.
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