A control algorithm for an adaptive optics system based on the focal spot radius minimization


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Abstract

A control algorithm for adaptive optics systems using the focal spot of a light beam is suggested. The algorithm is based on the analytical relationship between the spot radius and a change in shape of the deformable mirror surface. A numerical simulation has been carried out, which verifies this relationship and its applicability to the wavefront correction. Some experimental results confirm the algorithm applicability for practical use.

About the authors

D. A. Yagnyatinskiy

Luch Research Institute of SPA

Author for correspondence.
Email: day@luch.podolsk.ru
Russian Federation, Podolsk, 142100

D. M. Lyakhov

Luch Research Institute of SPA

Email: day@luch.podolsk.ru
Russian Federation, Podolsk, 142100

A. N. Borshevnikov

Luch Research Institute of SPA

Email: day@luch.podolsk.ru
Russian Federation, Podolsk, 142100

V. N. Fedoseyev

Luch Research Institute of SPA

Email: day@luch.podolsk.ru
Russian Federation, Podolsk, 142100


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