Fig. 4

Scattering cross sections of SiO₂ nanoparticles with different radii: (a) Electric dipole scattering (b) Magnetic dipole scattering (c) Electric quadrupole scattering (d) Magnetic quadrupole scattering (e) Total scattering cross-section (f) Resonance wavelength with varying SiO2 nanoparticle radius.