Figure 3 | Scientific Reports

Figure 3

From: Design of highly perceptible dual-resonance all-dielectric metasurface colorimetric sensor via deep neural networks

Figure 3

(a) Seven target spectra finally established in consideration of maximization of color difference per refractive index unit and visible loss of silicon. (b) ΔE00/RIU values calculated for each target spectrum. (c) For three target spectra with the highest ΔE00/RIU values, when the spectrum is laterally shifted by 5 nm, variations of colors are represented on two-dimensional section of CIELAB coordinate. The color inside the circle shows the reflected structural color calculated for each spectrum.

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