Email this article Stabilization of the direction of propagation of a wide-aperture light beam using quadrant photodiodes
- Authors: Rukosuev A.L.1, Alexandrov A.G.1, Nikitin A.N.1, Soloviev A.A.2, Burdonov K.F.2, Sheldakova Y.V.1, Kudryashov A.V.1
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Affiliations:
- M.A. Sadovsky Institute of Geosphere Dynamics of the Russian Academy of Sciences
- Institute of Applied Physics
- Issue: Vol 19, No 7 (2025)
- Pages: 564-576
- Section: Optical-Electronic Systems & Complexes
- URL: https://journals.eco-vector.com/1993-7296/article/view/698549
- DOI: https://doi.org/10.22184/1993-7296.FRos.2025.19.7.564.576
- ID: 698549
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Abstract
This article addresses the problem of stabilizing the propagation direction of wide-aperture laser beams when the beam size significantly exceeds the dimensions of standard quadrant photodetectors. Two fundamental stabilization schemes are analyzed: with dependent and independent control loops. It is shown that the former has a fundamental limitation due to the highly dependent nature of the influence matrix. As a solution, a system with two independent loops is proposed, which does not require matrix calculations and demonstrates high beam positioning accuracy sufficient for practical application in laser long-distance communication and focusing systems.
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About the authors
Alexey L. Rukosuev
M.A. Sadovsky Institute of Geosphere Dynamics of the Russian Academy of Sciences
Author for correspondence.
Email: alru@nightn.ru
ORCID iD: 0000-0003-3354-0460
Cand.of Sc.(Phys.&Math.), researcher, Laboratory of Atmospheric Adaptive Optics
Russian Federation, MoscowAlexander G. Alexandrov
M.A. Sadovsky Institute of Geosphere Dynamics of the Russian Academy of Sciences
Email: alex@activeoptics.ru
ORCID iD: 0000-0003-1265-6122
researcher, Laboratory of Atmospheric Adaptive Optics
Russian Federation, MoscowAlexander N. Nikitin
M.A. Sadovsky Institute of Geosphere Dynamics of the Russian Academy of Sciences
Email: nikitin@activeoptics.ru
ORCID iD: 0000-0002-6636-905X
Scopus Author ID: 56647558000
researcher, Laboratory "Atmospheric Adaptive Optics"
Russian Federation, MoscowAlexander A. Soloviev
Institute of Applied Physics
Email: so_lo@ipfran.ru
ORCID iD: 0000-0001-8595-5604
Cand.of Sc.(Phys.&Math.), Head of the Laboratory of Laser Accelerators and Astrophysical Plasma, Department of Nonlinear and Laser Optics
Russian Federation, Nizhny NovgorodKonstantin F. Burdonov
Institute of Applied Physics
Email: k.burdonov@ipfran.ru
ORCID iD: 0000-0002-0416-2782
Senior Researcher, Laboratory of Laser Accelerators and Astrophysical Plasma, Department of Nonlinear and Laser Optics
Russian Federation, Nizhny NovgorodYulia V. Sheldakova
M.A. Sadovsky Institute of Geosphere Dynamics of the Russian Academy of Sciences
Email: sheldakova@nightn.ru
ORCID iD: 0000-0002-5160-1194
Cand.of Sc.(Phys.&Math.), Senior Researcher, Atmospheric Adaptive Optics Laboratory
Russian Federation, MoscowAlexey V. Kudryashov
M.A. Sadovsky Institute of Geosphere Dynamics of the Russian Academy of Sciences
Email: alru@nightn.ru
ORCID iD: 0000-0002-7856-2834
Dr.of Sc.(Phys.&Math.), Professor, Head of the Atmospheric Adaptive Optics Laboratory
Russian Federation, MoscowReferences
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