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. 2020 Oct 7;11:5055. doi: 10.1038/s41467-020-18793-y

Fig. 4. Tuning of the all-dielectric meta-atom.

Fig. 4

af Scattering spectra of two single a-Si:H NPs(40) (diameter: ~300 and ~325 nm, respectively) (ad) and a single a-Si:H NP(20) (diameter: ~280 nm) (e, f) covered by PMMA + SP layer. a, c, e Right after the sample preparation. b, d, f After the exposure to UV light (purple triangle) and after the exposure to the green light (green triangle). The vertical dashed blue dashed line illustrates the absorption peak of MC molecules. The black curves are smoothed spectral curves.