Contents Materials » Optical Properties » Non-Homogeneous MaterialPrint page Non-Homogeneous Material Non-homogeneous material is a material to apply to a body for which the refractive index and the absorption can vary in space. This section contains the following topics:Understanding Non-Homogeneous MaterialA non-homogeneous material is the association between a graded material file and a solid body using a coordinate system.Graded Material FileThis page describes the basic steps to create a graded material file through the example of a gradient refractive index material, and provides the python script to dot it.List Of MethodsThis page describes the methods that should be used to access the data stored in the *.gradematerial file used to define a non-homogeneous material. « AxF FileUnderstanding Non-Homogeneous Material »