Shack-Hartmann wavefront sensor versus Fizeau interferometer while optical surfaces testing

Author

Sheldakova, Julia ; Kudryashov, Alexis ; Samarkin, Vadim ; Zavalova, Valentina

Author_Institution

Adaptive Opt. Lab., Moscow State Open Univ., Moscow

fYear

2008

fDate

Sept. 29 2008-Oct. 4 2008

Firstpage

152

Lastpage

154

Abstract

It is well known that to measure the aberrations of optical surface Fizeau interferometer could be used. Also very good solution is to test optics with Shack-Hartmann wavefront sensor. But we noticed that in case of strong aberrations of the surface under test the measured aberrations differ from the real ones. In the present work we used bimorph deformable mirror to reproduce strong aberrations and then measured these aberrations with both Shack-Hartmann wavefront sensor and Fizeau interferometer. The results of our experiments are discussed.

Keywords

aberrations; light interferometers; mirrors; optical sensors; optical testing; wavefront sensors; Fizeau interferometer; Shack-Hartmann wavefront sensor; bimorph deformable mirror; optical aberrations; optical surfaces testing; Adaptive optics; Electrodes; Laser beams; Mirrors; Optical interferometry; Optical sensors; Optical surface waves; Surface waves; Testing; Voltage; Shack-Hartmann wavefront sensor; interferometer; laser beam measurements;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Optoelectronics and Lasers, 2008. CAOL 2008. 4th International Conference on

Conference_Location

Crimea

Print_ISBN

978-1-4244-1973-9

Electronic_ISBN

978-1-4244-1974-6

Type

conf

DOI

10.1109/CAOL.2008.4671972

Filename

4671972