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Nano Convergence
Fig. 2 | Nano Convergence

Fig. 2

From: Towards three-dimensional optical metamaterials

Fig. 2

From stacked 2D to 3D metamaterials. a Magnetic metamaterial made of four-layer SRR structure [10]. b Negative-refractive-index metamaterial made of 21-layer fishnet structure [17]. c Chiral switching metamaterial made of 3D metallic structure [25], and d isotropic metamaterial made of 3D SRR structure [82]

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