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Fig. 2 | Nano Convergence

Fig. 2

From: Metamaterials and imaging

Fig. 2

Examples of negative index materials. a The first demonstration of NIM by SRR array with metallic wires in microwave. [21] b SEM image of a fishnet structure which functions as a near-infrared (NIR) frequencies operating NIM [26]. c Polarization-independent NIM based on a single-layer coaxial waveguide structure [34]

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