Bit Error Rate Analysis in Atmospheric Turbulence Channel of Synthetic Double Vortex Beam

Bit Error Rate Analysis in Atmospheric Turbulence Channel of Synthetic Double Vortex Beam

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Random phase screen method was used to simulate the light intensity and olea europaea montra phase distribution of the synthesized double vortex beams transmitted in atmospheric turbulence given the light intensity characteristics and phase characteristics of double Laguerre–Gaussian beams (DLGB) generated by coaxial superposition.Results show that the scintillation coefficient decreases initially, and then increases with the topological charge difference of the double vortex beam, and the topological charge difference is related to the number of split spots.When the number of split spots here is small, the intensity distribution is concentrated, exhibiting a good penetrating effect on atmospheric turbulence.