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Study on Turbulence Effects for Beam Propagation in Turbulent Atmosphere

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DOI: 10.4236/opj.2013.32B035    3,842 Downloads   5,039 Views   Citations
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ABSTRACT

Based on the theory for the turbulence and the Rytov method, the propagation formulas of the scintillation index and the mean square angle-of-arrival fluctuation for the beam propagation in atmospheric turbulence have been derived respectively. The propagation properties of the two turbulence effects have been investigated, and the effects of the characteristic parameters of turbulence and the beam parameters have been discussed. The results show that the variation of the two turbulence effects depends on the structure constant of the refractive index fluctuations Cn2, the inner scale of the turbulence l0, the waist width of source beam w0 and the wave length λ. Moreover, there are two parameters including Cn2 and l0 which show more significant effects in atmosphere. Consequently, a new method for determining the characteristics parameters of the turbulence by using the measurement of the scintillation index and the angle-of-arrival fluctuation has been proposed.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

P. Pan, "Study on Turbulence Effects for Beam Propagation in Turbulent Atmosphere," Optics and Photonics Journal, Vol. 3 No. 2B, 2013, pp. 143-147. doi: 10.4236/opj.2013.32B035.

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