Presentation + Paper
12 September 2021 Hybrid adaptive optical system correcting turbulent distortions on the long atmospheric paths
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Abstract
Approaches to constructing a mock-up of a system for focusing laser radiation on distant objects using both adaptive optics elements and nonlinear-optical wave-front reversal methods providing compensation for turbulent distortions are considered. Numerical calculations were preliminarily performed, in which the split-step method was used as a numerical method for solving a second-order partial differential wave equation for the complex amplitude of the wave field of a laser beam. This method, combined with methods of spectral-phase Fourier transforms and statistical tests, is the most effective way to obtain reliable quantitative results for solving engineering problems of atmospheric wave optics. Quantitative data are obtained on the effect of turbulent atmospheric distortions along propagation paths on the main parameters of coherent laser beams – focusing, effective average radius, and the proportion of the beam energy in its diffraction spot. The preliminary results obtained of the system mock-up performance confirm the conclusions of the theory.
Conference Presentation
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
P. A. Konyaev, V. P. Lukin, I. A. Gorbunov, and O. V. Kulagin "Hybrid adaptive optical system correcting turbulent distortions on the long atmospheric paths", Proc. SPIE 11860, Environmental Effects on Light Propagation and Adaptive Systems IV, 118600E (12 September 2021); https://doi.org/10.1117/12.2599566
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KEYWORDS
Atmospheric optics

Phase conjugation

Adaptive optics

Mirrors

Control systems

Adaptive control

Process control

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