研究目的
To propose and numerically demonstrate a new reflective metasurface that can control the direction of reflected waves and excite spoof surface plasmon polariton (SSPP) simultaneously for circular polarization incident waves.
研究成果
An efficient and high compact bifunctional metasurface for circular polarization-controlled beam steering and SSPP excitation is proposed and numerically demonstrated. The respective converting efficiency can reach 70% and 82% for the LCP and RCP incidence.
研究不足
The study is numerically demonstrated and may require experimental validation to confirm the functionalities of the proposed meta-coupler.
1：Experimental Design and Method Selection:
The study combines propagation phase with geometric phase to design a reflective metasurface.
2：Sample Selection and Data Sources:
The metasurface is designed to work at a frequency of
3：3 THz. List of Experimental Equipment and Materials:
The simulation setups include copper patches and mirrors defined by Drude model and a dielectric spacer Taconic RF-
4：Experimental Procedures and Operational Workflow:
The overall simulations are performed by COMSOL Multiphysics
5：3a. Data Analysis Methods:
The functionalities of CP-controlled SSP excitation and anomalous reflection are demonstrated through simulations.
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