Algorithm for sequential correction of wavefront aberrations with the criterion of focal spot size minimization

Yagnyatinskiy, D.A., Fedoseev, V.N.

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Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Ягнятинский Д.А., Федосеев В.Н. Алгоритм последовательной коррекции аберраций волнового фронта по критерию минимизации размера фокального пятна // Оптический журнал. 2019. Т. 86. № 1. С. 32–39. http://doi.org/10.17586/1023-5086-2019-86-01-32-39

Yagnyatinskiy D.A., Fedoseev V.N. Algorithm for sequential correction of wavefront aberrations with the criterion of focal spot size minimization [in Russian] // Opticheskii Zhurnal. 2019. V. 86. № 1. P. 32–39. http://doi.org/10.17586/1023-5086-2019-86-01-32-39

For citation (Journal of Optical Technology):

D. A. Yagnyatinskiy and V. N. Fedoseyev, "Algorithm for sequential correction of wavefront aberrations with the criterion of focal spot size minimization," Journal of Optical Technology. 86(1), 25-31 (2019). https://doi.org/10.1364/JOT.86.000025

Abstract:

A new wavefront correction algorithm for adaptive optical systems that implements the sequential elimination of aberration components is proposed. The criterion by which correction is guided is the square of the focal spot radius. The operation of the algorithm has been simulated for two fundamentally different mode bases—the generalized Zernike modes and the generalized influence functions of the actuators of the deformable mirror used. The method for obtaining these bases is described. It is shown that, for a wavefront of a complex shape, the correction is more accurate in terms of influence functions, and Zernike modes are better suited for correcting aberrations of lower orders.

Keywords:

algorithm for sequential correction, wavefront, aberrations, focal spot, adaptive optical system, Zernike modes, generalized influence functions of the actuators, deformable mirror

OCIS codes: 220.1000, 220.1080

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