Oceanic Turbulent Effect on the Received Intensity of a Generalized Hermite Cosh-Gaussian Beam

The evolution properties of a Generalized Hermite cosh-Gaussian beam (GHCGB) through a turbulent oceanic medium are investigated based on the extended Huygens-Fresnel principal. The analytical formula for the average intensity of a GHCGB propagating in oceanic turbulence is derived. From the derived formula, the average intensity of the considered beam in oceanic turbulence is discussed with numerical examples. Our results show that the GHCGB propagating in stronger oceanic turbulence will lose its initial profile and rapidly evolve into a Gaussian distribution by increasing the dissipation rate of mean squared temperature and the relative strength of temperature and salinity fluctuations or by decreasing the rate of dissipation of turbulent kinetic energy per unit mass of fluid, in the far field. Meanwhile, the evolution properties of the GHCGB in the oceanic turbulence are affected by the initial beam parameters. We anticipate that our research results will be useful for practical applications in underwater optical communication and imaging systems.