Problem of Shack-Hartmann wavefront sensor and interferometer use while testing strongly distorted laser wavefront

Julia Sheldakova; Alexis Kudryashov; Vadim Samarkin; Valentina Zavalova

doi:10.1117/12.774086

20 February 2008 Problem of Shack-Hartmann wavefront sensor and interferometer use while testing strongly distorted laser wavefront

Julia Sheldakova, Alexis Kudryashov, Vadim Samarkin, Valentina Zavalova

Author Affiliations +

Proceedings Volume 6872, Laser Resonators and Beam Control X; 68720B (2008) https://doi.org/10.1117/12.774086
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

It is very important to analyse phase ingomogenity of high-power laser beam. Usually Shack-Hartmann wavefront sensor or interferometer is used to test both laser beam aberrations and quality of the optical element surface. But we found out that in case of strong distortions the measured aberrations differ from the real ones. To investigate this problem we used bimorph deformable mirror to introduce strong aberrations to the laser beam. The results of our experiments are discussed.

Citation Download Citation

Julia Sheldakova, Alexis Kudryashov, Vadim Samarkin, and Valentina Zavalova "Problem of Shack-Hartmann wavefront sensor and interferometer use while testing strongly distorted laser wavefront", Proc. SPIE 6872, Laser Resonators and Beam Control X, 68720B (20 February 2008); https://doi.org/10.1117/12.774086

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