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A novel graphene-based metamaterial for terahertz plasmon induced transparency (PIT) is presented in this paper, which consists of a graphene ring and a graphene strip compound structure. Both the ring and strip are performed as bright modes which are induced by electric dipole resonances, respectively. The weak hybridization between two elements leads to a novel PIT window. The PIT window can be...
We design a tunable and broadband metamaterial absorber in the mid-infrared region based on graphene. The unit cell of the proposed metamaterial absorber consists of circular gold patches, which coupled with a graphene layer, and are separated by a dielectric spacer from the gold film on the bottom. The absorption bandwidth is effectively extended by patterning multi-circular gold patches of different...
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