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. 2022 Oct 21;11(21):4697–4704. doi: 10.1515/nanoph-2022-0480

Figure 1:

Figure 1:

(a) Illustration of the high-efficiency metalens with Si/ma-N disks. Numerically simulated transmittance (top) and phase (bottom) maps of the incident light at (b) Si/ma-N/Air and (c) Si/Air metasurfaces as functions of the wavelength and normalized disk radius. The white dashed lines in (b) and (c) indicate the wavelength at 1500 nm.

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