Transmission spectra in one-dimensional Gaussian random multilayer photonic crystal

The study of transmission spectra for a periodic 1D multilayered photonic crystal based on Gaussian random in layer thickness is investigated using the transfer matrix method. The transmittance properties are analyzed for incident angle, layer thickness, and number of periods for the light wave propagating through the random multilayered photonic structure. The right-shifting of frequency with more resonant peaks have observed for the changes in physical parameters considered. Besides, the layer thickness and obliquely incident angles play key role for the appearance of more than one numbers of bandgap towards higher wavelength region. The proposed structure can be used to design the optical narrow band tunable filters at the visible infrared wavelength region.