Computer Aided Optical System Alignment With CODE VTM

Daniel Leigh; Dov Frieman

doi:10.1117/12.951064

5 July 1989 Computer Aided Optical System Alignment With CODE VTM

Daniel Leigh, Dov Frieman

Proceedings Volume 1038, 6th Mtg in Israel on Optical Engineering; (1989) https://doi.org/10.1117/12.951064
Event: Sixth Meeting of Optical Engineering in Israel, 1988, Tel Aviv, Israel

Abstract

High accuracy optical alignment generally requires interferometric methods. A simple computer aided interferometric optical alignment procedure, for the visible, IR and other regions, utilizing the Interferogram Interface in CODE V, is described. The accuracy of visual interferometric alignment is limited and involves highly skilled personnel. To overcome these limitations, a procedure is presented that requires specification of the nominal optical system design, the alignment parameters, such as tilts and decenters in CODE V, and entering in to the latter the interferometrically measured system wavefront data of several different points in the field of view. The last step consists of predicting the alignment parameters such that the system wavefront error is reduced. This procedure is repeated until the wavefront error falls within system specifications. A numerical alignment simulation and an actual system alignment are presented for an F/10, 8 inch diameter Cassegrain objective.

Citation Download Citation

Daniel Leigh and Dov Frieman "Computer Aided Optical System Alignment With CODE VTM", Proc. SPIE 1038, 6th Mtg in Israel on Optical Engineering, (5 July 1989); https://doi.org/10.1117/12.951064

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