Table 1.

Sellmeier optical parameters of PVC-PS and PVC-PS-silica nanocomposite thin films with 5% and 10% concentrations of silica NPs.

Parameter	Symbol	PVC-PS	PVC-PS-5%silica	PVC-PS-10%silica
Average oscillator wavelength (nm)	${\lambda }_0$	255.14	285.63	282.47
oscillator length strength	$S_0\ast {10}^{-5}$	2.982	1.374	1.297