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. 2023 Jan 20;17(3):2399–2410. doi: 10.1021/acsnano.2c09482

Figure 6.

Figure 6

(a) Electric E-field distribution in three metasurfaces (p = 450 nm) with varied thicknesses of the waveguide-like layer under normal TE-polarized incidence of a plane-wave light source, centered at the RA peak in the emission spectrum. (b) Corresponding dispersion diagrams. The positions of RA for the first order corresponding to the different neff are marked with white dashed lines.