Scintillation index based on modified Bessel beam in ocean turbulence

Luxin Diao; Mingjun Wang; Yue Peng

doi:10.1117/12.2682205

24 May 2023 Scintillation index based on modified Bessel beam in ocean turbulence

Luxin Diao, Mingjun Wang, Yue Peng

Proceedings Volume 12706, First International Conference on Spatial Atmospheric Marine Environmental Optics (SAME 2023); 127060L (2023) https://doi.org/10.1117/12.2682205
Event: First International Conference on Spatial Atmospheric Marine Environmental Optics (SAME 2023), 2023, Shanghai, China

Abstract

Turbulence effect is one of the key factors limiting underwater optical transmission communication. Eddy light underwater transmission can provide a new way to realize ultra-wideband and high speed underwater optical information transmission. This paper studies the scintillation index of the modified Bessel Gaussian beam propagating in ocean turbulence, analyzes the influence of wave source parameters and ocean turbulence parameters on the propagation quality of the modified Bessel Gaussian beam, and studies the transmission characteristics of the modified Bessel Gaussian beam propagating in underwater turbulence by designing experiments. The influence of turbulent flow induced by water diffusion with different temperature and salinity differences on beam propagation is considered. The theoretical and experimental results show that smaller width parameters will reduce the scintillation index of the beam under the same ocean turbulence environment. In the selection of ocean turbulence parameters, the larger turbulent kinetic energy dissipation rates and the smaller temperature salinity fluctuation equilibrium parameters can also effectively improve the beam transmission performance, and the scintillation index increases with the increase of turbulence intensity. The research results of this paper have important reference value for the research of vortex light transmission and communication

Citation Download Citation

Luxin Diao, Mingjun Wang, and Yue Peng "Scintillation index based on modified Bessel beam in ocean turbulence", Proc. SPIE 12706, First International Conference on Spatial Atmospheric Marine Environmental Optics (SAME 2023), 127060L (24 May 2023); https://doi.org/10.1117/12.2682205

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KEYWORDS

Turbulence

Scintillation

Gaussian beams

Bessel beams

Optical simulations

Optical transmission

Beam propagation method

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