Extremely low light scattering in nanostructured glasses formed by simultaneous nucleation and diffusion-limited growth of particles: modeling

A structural model proposed earlier is used to simulate light scattering in nanostructured glass formed by diffusional growth of simultaneously nucleated particles with small volume fraction. Computer simulation of the structure allows one to calculate partial structure factors for polydisperse particles and to estimate light scattering intensity in the interference approximation. Interference effects lead to a significant decrease in scattered intensity compared with independent scattering in a range of long wavelengths. In some spectral range, the dependence of scattered intensity on the inverse wavelength is described by power function with the exponent p = 7.1 which is appreciably greater than the Rayleigh value 4. (C) 2020 Optical Society of America