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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