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(a) The structure of the chiral SRR. Please see text for dimensions. (b) A unit cell of the 2D CM, formed by four interlocked chiral-SRRs. (c) A photo of the fabricated CM.
The surface current distribution of the SRR near resonance. The circulating current forms a magnetic dipole, causes the opposite charge accumulation on the bottom SRR and the top SRR (−) and forms an extra electric dipole (see green straight arrow).
The transmission and reflection amplitudes for LCP and RCP (top panel), the azimuth rotation angle for linearly polarized waves (middle panel) and the ellipticity (bottom panel). Simulation results are shown on the left column and experiment results are shown on right column.
The retrieved effective parameters of the CM. The effective index of refraction together with the chiral parameter (top panel), the index of refraction for the two circularly polarized waves (middle panel) and (bottom panel). Simulation results are shown on the left column and experiment results are shown on the right column.
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