Patent ID: 7630516
Filing Date: 2009-12-08
Classification: G01B

Abstract:
1. A method for characterizing optical properties of a surface comprising: providing an apparatus configured to analyze the surface by performing the steps of: determining a first characteristic quantity of roughness of the surface; determining a second characteristic quantity of the roughness of the surface; determining a first derived quantity by applying mathematical operations to at least said first characteristic quantity; determining a second derived quantity by applying mathematical operations to at least said second characteristic quantity; forming an interrelationship between said first and said second derived quantity which at least partially specifies the optical properties of the surface; and illustrating said first and said second derived quantity in one common reference frame, wherein the first derived quantity, the second derived quantity and a third derived quantity are plotted in a coordinate system having three axes perpendicular relative one another, wherein a first axis is assigned to the first derived quantity, a second axis to the second derived quantity and a third axis to the third derived quantity.