EPJ Web of Conferences (Jan 2021)
An Inverse Model for Two-dimensional Reflectors With Scattering
Abstract
We present a novel approach of modelling surface light scattering in the context of freeform optical design. Using energy conservation, we derive an integral relation between the scattered and specular distributions. This integral relation reduces to a convolution integral in the case of isotropic scattering in the plane of incidence for cylindrically and rotationally symmetric problems.