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Study on the Transmission and Scattering Characteristics of Blue-green Lasers Through the Atmosphere-ocean Interface

Sea surface sometimes become dynamic, non-uniform, anisotropic and random. In this paper, a dynamic sea surface is established based on the Monte Carlo method and with the help of JNOSWAP sea spectrum simulation, and the influence of the wind speed and wind zone of the blue-green laser passing the sea surface on the backscattering coefficient and transmission coefficient is discussed. The results show that the backscattering coefficient of the sea surface at a large incident angle is greater than that of a small incident angle. This is due to the occlusion effect of the sea surface; When the blue-green laser passes through the sea, the maximum transmission coefficient appears at the position of the refraction angle. As the wind speed and wind area increase, the transmission coefficient decreases. This work provides support for the research on key technologies and basic theories of cross-medium target laser detection by gas-sea blue-green lasers and wireless optical communication.