Research in Computing Science, Vol. 131, pp. 71-74, 2017.
Abstract: A new method to design Hartmann null screens to test asphere lenses is presented. It is based on the exact ray tracing equation, consider a plane wavefront impinging on the lens.
PDF: Design of Hartmann Null Screens for Testing Plane-convex Aspheric Lens
PDF: Design of Hartmann Null Screens for Testing Plane-convex Aspheric Lens