Fig. 4From: Metal Substrate-Induced Line Width Compression in the Magnetic Dipole Resonance of a Silicon Nanosphere Illuminated by a Focused Azimuthally Polarized Beama Evolution of the scattering spectrum of the Si NS placed on the 50- nm-thick Au substrate with increasing refractive index of the surrounding medium. b Dependence of the line width (upper part) and the peak wavelength (lower part) of the MD resonance on the refractive index of the surrounding mediumBack to article page