Propagation of partially coherent beams carrying an edge dislocation through atmospheric turbulence along a slant path

doi:10.1088/1674-1056/19/9/099201

Abstract This paper derives the explicit expressions for the average intensity, beam width and angular spread of Gaussian Schell-model (GSM) beams with edge dislocation propagating through atmospheric turbulence along a slant path. The propagation of GSM beams with edge dislocation through horizontal atmospheric turbulence can be treated as a special case through a slant one. The propagation properties of GSM beams with edge dislocation through slant atmospheric turbulence are studied, where the influence of edge dislocation parameters including the slope p and off-axis distance d on the spreading of GSM beams with edge dislocation in atmospheric turbulence is stressed. It shows that the spreading of the intensity profile of GSM beams with edge dislocation along a slant path is smaller than that along a horizontal path in the long-distance atmospheric propagation. The larger the slope |p| and the smaller the off-axis distance |d| are, the less the beam-width spreading and angular spread of GSM beams with edge dislocation are affected by turbulence. The GSM beams with edge dislocation is less affected by turbulence than that of GSM beams without edge dislocation. The results are illustrated numerically and their validity is interpreted physically.

Keywords: partially coherent beams with edge dislocation atmospheric turbulence slant path

Received: 18 January 2010
Revised: 07 March 2010
Accepted manuscript online:

PACS:	9265
	4200

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10874125).

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Li Jin-Hong(李晋红), Zhang Hong-Run(张洪润), and Lü Bai-Da(吕百达) Propagation of partially coherent beams carrying an edge dislocation through atmospheric turbulence along a slant path 2010 Chin. Phys. B 19 099201

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Propagation of partially coherent beams carrying an edge dislocation through atmospheric turbulence along a slant path

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