Fig. 1. (Color online) (a) Schematic drawing of the metalens under study. (b) Unit cell structure of the metalens, where diameters of the pillars vary from 80 to 220 nm (or, 40 to 110 nm in radii) depending on the position.

New Phys.: Sae Mulli 2022;72:742~747 https://doi.org/10.3938/NPSM.72.742

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