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A planar chiral metamaterial (PCMM) comprizing double-layer sandwich structure utilizing metal-silicides in the shape of windmill is proposed in the infrared region (IR). Giant circular dichroism (CD) and polarization rotation are observed simultaneously. Furthermore, the effect of Drude model parameters (ωp,ωτ) of metal-silicides on CD and optical activity are also investigated. The results show...
In this paper, a novel multi-layered structure consisted of two sub-wavelength gratings and split-ring resonator printed on two sides of dielectric substrate has been proposed. This new structure can realize broadband asymmetric transmission and multi-band 90° polarization rotator in the infrared spectral region. Due to the Fabry–Perot like resonance effect, the asymmetric parameter can reach a maximum...
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