International Journal of Antennas and Propagation / 2018 / Article / Fig 1

Research Article

Phase Reversal Technique Applied to Fishnet Metalenses

Figure 1

Dispersion diagram of the unit cell and profiles of the metalenses. (a) Refractive index of the fishnet structure used to design the lenses, assuming it to be infinitely periodic. Unit cell (inset) with dimensions: , , , and . The thickness of the metal is . Top view of the schematic representation of the reversed-phase zoned fishnet metalenses with (b) and (c) .

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