[OPTICAL REVIEW Vol. 11, No. 2 (2004) 82-86]
© 2004 The Optical Society of Japan
Testing Parabolic Surfaces with Annular Subaperture Interferograms
Fermín GRANADOS-AGUSTÍN*, J. Fausto ESCOBAR-ROMERO† and Alejandro CORNEJO-RODRÍGUEZ‡
Instituto Nacional de Astrofísica, Óptica y Electrónica, Apdo. Postal 51 and 216, Puebla C.P. 72000, Mexico
(Received June 4, 2003; Accepted December 1, 2003)
A parabolic surface is tested with spherical reference wavefronts, and with the analysis of partial annular zone interferograms. By means of a computer program, based on the subaperture annular information, complete information about the entire surface can be derived.
Key words: optical testing, optical fabrication