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A novel metallodielectric grating coupled with graphene metamaterials (MGCGM) structure is proposed to achieve the tunable plasmon induced transparency (PIT) effect. Two different mechanisms are employed to explain the PIT effect in the reflection spectrum: one is originated from the destructive interference between graphene plasmonic modes and the hybrid mode in the dielectric layer, the other is...
Based on a broadband near-zero refractive index metamaterial, the unit structure is simulated by electromagnetic software HFSS, and its reflection-transmission parameters are extracted. And the classical inversion algorithm is used to derive the band in the 16–17.5GHz with the same permeability and permittivity. However, the effect of near zero effect is not ideal and the refractive index is zero...
Based on the traditional I-shaped metamaterial structure, a new type of notched I-shaped structure is designed, and the reflection — transmission parameters are extracted by electromagnetic software HFSS. And the classical inversion algorithm shows that the structure can obtain the properties of permeability and dielectric constant in the range of 9.89 ∼ 10.24GHz.
Plasmonic metamaterials support the localized surface plasmon resonance (LSPR), which is sensitive to the change in the dielectric environment and highly desirable for ultrasensitive biochemical sensing. In this work, a novel design of supercell metamaterials of four mutually rotating split ring resonators (SRRs) is proposed, where simultaneous excitations of odd ( N = 1 and N = 3) and even ( N =...
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