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Figure 1

From: Effective surface conductivity of optical hyperbolic metasurfaces: from far-field characterization to surface wave analysis

Figure 1

(a) False color SEM image of the fabricated anisotropic metasurface. (b) The structure consists of 20-nm-thick gold nanodisks arranged in a square lattice (period 200 nm). The base of the disks has an elliptical shape, with the long and short axes equal to 134 and 103 nm, respectively. We assume the environment is uniform and isotropic with ε = 2.1.

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