Figure 3
From: Broadband optical absorption by tunable Mie resonances in silicon nanocone arrays

Silicon nanocone arrays and its reflectance and absorbance spectra in visible and infrared region.
(a,b) SEM image of silicon nanocone array samples. (c,d) Comparisons of reflectance and absorbance spectra between experiment and simulations. The incident angle here is 8 degrees.