Author:
Gonzalez-Utrera Dulce,Díaz-Uribe Rufino,Campos-García Manuel,Villalobos-Mendoza Brenda,Aguirre-Aguirre Daniel
Abstract
A dynamic null-screen test consists of rotating the surface under test and designing a new null-screen for each position, this allows an evaluation of a complete freeform surface with varying concavity and convexity.