UDC 528.021.78
UDC 520.874.7
The results of an experimental study of the influence of natural acoustic noise and the length of fiber-optic connections in a coherent fiber laser beam combining system on the "freeze" time, during which the phase relationships between the beams established during phase synchronization change only slightly, are presented. It is shown that the "freeze" time of phase fluctuations is inversely proportional to the total length of the fiber-optic connections and increases with acoustic insulation of the fiber connections.
coherent beam combining, fiber lasers, natural acoustic noise
1. Bruesselbach H., Wang S., Minden M., et al. Power-scalable phase-compensating fiber-array transceiver for laser communications through the atmosphere // J. Opt. Soc. Amer. B. 2005. V. 22, №. 2, P. 347–353.
2. Adamov E.V., Aksenov V.P., Dudorov V.V., Kolosov V.V., Levitskii M.E. Controlling the spatial structure of vector beams synthesized by a fiber laser array // Opt. Laser Techn., 2022, V. 154. P.108351.
3. Wang L.-G., Wang L.-Q., Zhu S.-Y. Formation of optical vortices using coherent laser beam arrays// Opt. Commun., 2009, V. 282, № 6, P. 1088-1094
4. Noor S. K., Yasin M. N. M., Ismail A. M., et al. A review of orbital angular momentum vortex waves for the next generation wireless communications // IEEE Access. 2022. V. 10, P. 89465-89484.
5. V.P. Aksenov, V.V. Dudorov, M.E. Levitsky, et al. Optical wireless transmission of a signal multiplexed by orbital angular momentum using coherent beam combining// Appl. Optics. 2025, V. 64, №36, P. 10691 – 10700.
6. Hou T., Zhang Y. Chang P., Ma R. et al. High-power vortex beam generation enabled by a phased beam array fed at the nonfocal-plane // Opt. Express. 2019, V. 27, №4, P.4046-4059
7. Aksenov V.P., Dudorov V.V., Kolosov V.V., Levickiy M.E., Petuhov T.D., Rostov A.P. Generaciya vihrevyh puchkov na osnove slozheniya izlucheniya matricy volokonnyh lazerov // Optika atmosfery i okeana. Fizika atmosfery [Elektronnyy resurs]: materialy XXII Mezhdunarodnogo simpoziuma, Irkutsk, 3-7 iyulya 2017 g. – Tomsk: Izdatel'stvo IOA SO RAN, 2017. S. B345–V348.
