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Opt Lett. 2010 Apr 1;35(7):1043-5. doi: 10.1364/OL.35.001043.

Average spreading of a Gaussian beam array in non-Kolmogorov turbulence.

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  • 1College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073, China.


By using the rms beam width as the parameter to characterize the spreading property, the average spreading of Gaussian beam array propagates in non-Kolmogorov turbulence is studied. Numerical examples reveal that the beam width depends on the exponent value alpha, and the beam width in non-Kolmogorov turbulence is different from that in Kolmogorov turbulence with alpha=3.667. The beam width also depends on the distance between adjacent beamlets, the inner and outer scale parameters of the non-Kolmogorov turbulence. The beam array spreads more significantly with smaller inner scale and larger outer scale parameters.

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