Formation of the doughnut and Super-Gaussian intensity distribution by means of different types of wavefront correctors

Julia Sheldakova; Alexis Kudryashov; Ilya Galaktionov; Vadim Samarkin; Alexander Nikitin; Alexey Rukosuev

doi:10.1117/12.2297089

16 February 2018 Formation of the doughnut and Super-Gaussian intensity distribution by means of different types of wavefront correctors

Julia Sheldakova, Alexis Kudryashov, Ilya Galaktionov, Vadim Samarkin, Alexander Nikitin, Alexey Rukosuev

Author Affiliations +

Proceedings Volume 10518, Laser Resonators, Microresonators, and Beam Control XX; 105181E (2018) https://doi.org/10.1117/12.2297089
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

The transformation of an intensity distribution from Gaussian to a flattop, doughnut, etc. still is a very interesting and important task. And the necessary result could be obtained with the use of adaptive optics that changes the phase of the beam and modifies the shape of the focal spot in the far-field zone. In this paper, we present the flattop and doughnut beam formation result with the use of a bimorph and stacked-actuator deformable mirrors as well as LC phase modulator. The experimental results are also given.

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Julia Sheldakova, Alexis Kudryashov, Ilya Galaktionov, Vadim Samarkin, Alexander Nikitin, and Alexey Rukosuev "Formation of the doughnut and Super-Gaussian intensity distribution by means of different types of wavefront correctors", Proc. SPIE 10518, Laser Resonators, Microresonators, and Beam Control XX, 105181E (16 February 2018); https://doi.org/10.1117/12.2297089

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