•Gold and silver
nanoparticles
•Characteristics
–Strongly absorbing
–Refractive index is a strong function of
wavelength
•Experiment
–Preparation
–Visual inspection (color & scattering)
–Absorption spectra
•Polystyrene and sulfur
nanoparticles
•Characteristics
–Non-absorbing
–Refractive index is a weak function of
wavelength
•Experiment
–Visual inspection (angular scattering, polarization,
HOTS)
–Angular scattering