Abstract
The spreading properties of the rectangular elliptical Gaussian beam (EGB) array propagating in non-Kolmogorov turbulence are investigated by using the derived analytical expression for the root-mean-square (rms) beam width. The results indicate that the rms beam width of the EGB array is smaller than that of the circular Gaussian beam array for long-distance propagation. The optimum separation distances are proved to exist and have a strong dependence on the ratio of the waist width along the long axis to that along the short axis of the EGB. Further, the rms beam width in non-Kolmogorov turbulence is different from that in Kolmogorov turbulence.
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