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17 October 2023 Registration and analysis of laser beam wavefront using a Shack-Hartmann sensor under conditions of artificial pavilion turbulence
V. A. Bogachev, M. V. Volkov, D. E. Guk, M. O. Koltygin, A. V. Kudryashov, R. S. Kuzin, A. L. Rukosuev, F. A. Starikov, R. A. Shnyagin, A. S. Shtylev
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Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 127800V (2023) https://doi.org/10.1117/12.2690304
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation
Abstract
Using a fast-acting Shack-Hartmann wavefront sensor (WFS) under the conditions of artificially created pavilion turbulence, the possibility of registering and recording the phase front of laser radiation with a high temporal resolution has been experimentally demonstrated. A FPGA has been used as a control element of the WFS that provides an operation frequency of the WFS and recording information about the wavefronts of 4 kHz. Analysis of the reconstructed dynamics of the wavefront of the laser radiation makes it possible to determine in detail various spatiotemporal phase characteristics and to identify non-Kolmogorov features of turbulent distortions.
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V. A. Bogachev, M. V. Volkov, D. E. Guk, M. O. Koltygin, A. V. Kudryashov, R. S. Kuzin, A. L. Rukosuev, F. A. Starikov, R. A. Shnyagin, and A. S. Shtylev "Registration and analysis of laser beam wavefront using a Shack-Hartmann sensor under conditions of artificial pavilion turbulence", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 127800V (17 October 2023); https://doi.org/10.1117/12.2690304
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KEYWORDS
Wavefront sensors
Turbulence
Wavefronts
Wavefront reconstruction
Physics
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