Scintillation of partially coherent Gaussian Schell-model beam propagation in slant atmospheric turbulence

Based on the modified Rytov theory and model of the ITU-R slant atmospheric structure constant, the uniform scintillation index considering inner- and outer-scales is derived from weak to strong turbulence regions with partially coherent Gaussian Schell-model (GSM) beam propagation in the slant path. The effects of the waist radius, wavelength of beams and inner- and outer-scales of the turbulence on scintillation are analyzed numerically. Results obtained show using the partially coherent beams instead of the fully coherent beams can reduce the scintillation effect in atmospheric turbulence. The study can be found wide application in atmospheric optical communication.