CLASSICAL AREAS OF PHENOMENOLOGY |
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Propagation properties of partially coherent Hermite–Gaussian beams through non-Kolmogorov turbulence |
He Xue-Mei(何雪梅) and Lü Bai-Da(吕百达)† |
Institute of Laser Physics and Chemistry, Sichuan University, Chengdu 610064, China |
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Abstract The propagation properties of partially coherent Hermite—Gaussian beams through non-Kolmogorov atmospheric turbulence are studied. The effects of non-Kolmogorov turbulence and beam nonparaxiality on the average intensity evolution and the beam-width spreading are stressed. It is found that the evolution of the average intensity distribution and the beam-width spreading depends on the generalized exponent factor, namely, on the non-Kolmogorov turbulence strength for the paraxial case. For the non-paraxial case the effect of the turbulence is negligible, while the beam-width spreading becomes very large. The analytical results are illustrated numerically and interpreted physically.
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Received: 16 January 2011
Revised: 26 April 2011
Accepted manuscript online:
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PACS:
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42.68.Ay
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(Propagation, transmission, attenuation, and radiative transfer)
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42.68.Bz
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(Atmospheric turbulence effects)
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42.25.Dd
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(Wave propagation in random media)
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42.25.Fx
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(Diffraction and scattering)
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Cite this article:
He Xue-Mei(何雪梅) and Lü Bai-Da(吕百达) Propagation properties of partially coherent Hermite–Gaussian beams through non-Kolmogorov turbulence 2011 Chin. Phys. B 20 094210
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