Computer generated holograms for aspheric optics testing

A. G. Poleshchuk

doi:10.1117/12.821243

12 January 2009 Computer generated holograms for aspheric optics testing

A. G. Poleshchuk

Proceedings Volume 7133, Fifth International Symposium on Instrumentation Science and Technology; 713333 (2009) https://doi.org/10.1117/12.821243
Event: International Symposium on Instrumentation Science and Technology, 2008, Shenyang, China

Abstract

Paper presents the overview of the latest results of application of CGHs with more then 200 mm diameter and a minimum feature size of 0.5 micrometer for testing large aspheric surfaces with a Fizeau-type interferometer. Various experimental results are presented. Special attention was attended to the accuracy of adjusting the optical test system with the CGH and the problem of suppressing unwanted orders of diffraction. Designs of CGHs that can be used for optical alignment of complex optical systems are discussed.

Citation Download Citation

A. G. Poleshchuk "Computer generated holograms for aspheric optics testing", Proc. SPIE 7133, Fifth International Symposium on Instrumentation Science and Technology, 713333 (12 January 2009); https://doi.org/10.1117/12.821243

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