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Top view of the SEM image of the nanohemisphere-on-glass (NHoG) structure (a), the NHoM structure (b), and the nano-disk-on-glass (NDoG) structure (c). Dark-field scattering spectra at any seven locations of the NHoG (d), NHoM (e), and NDoG (f) structures using a hyperspectral camera. Fitting results for peak wavelengths and intensities of spectra obtained from hyperspectral images (800 × 600 pixels) of the NHoG (g), NHoM (h), and NDoG (i) structures.
