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We theoretically and numerically demonstrate that a transmission-type electrically tunable polarizer can be realized by using graphene ribbons supported on a dielectric film with a graphene sheet behind.The polarization mechanism originates from the antenna plasmon resonance of graphene stripes.The results of full-wave numerical simulations reveal that transmittance of 0.70 for one polarization and 0.0073 for another polarmation can be obtained at normal incidence.The transmission-type electrically tunable polarizer provides and facilitates a variety of applications,including filtering,detecting,and imaging.
We theoretically and numerically demonstrate that a transmission-type electrically tunable polarizer can be realized by using graphene ribbons supported on a dielectric film with a graphene sheet behind. The polarization mechanism originates from the antenna plasmon resonance of graphene stripes.The results of full-wave numerical simulations reveal that the transmittance of 0.70 for one polarization and 0.0073 for another polarmation can obtained at normal incidence. The transmission-type electrically tunable polarizer provides and facilitates a variety of applications, including filtering, detecting, and imaging.