The global optimization threshold algorithm is reported to obtain the deformations of
an optical surface. The advantage of these types of algorithm is that they can be solved for the
correlation problem presented in Seidel polynomials. We obtain the 2D deformations of a
surface test with the transversal aberration along one direction only. In order to apply this
algorithm we used exact ray tracing to simulate the transversal aberration adapting the same
mathematical theory for the Ronchi test. The error obtained in sagitta recovering deformation was
© 2006 Optical Society of America
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