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Journal Article

Scintillation properties of a rectangular dark hollow beam

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Cai,  Yangjian
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Cai, Y., & Zhang, Y. (2009). Scintillation properties of a rectangular dark hollow beam. JOURNAL OF MODERN OPTICS, 56(4), 502-507. doi:10.1080/09500340802538344.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-6C2D-3
Abstract
The scintillation properties of a rectangular dark hollow beam (DHB) in a weak turbulent atmosphere are investigated. Explicit expression for the on-axis scintillation index of a rectangular DHB is derived. It is found that the scintillation index value of a rectangular DHB can be smaller than that of Gaussian, elliptical Gaussian and rectangular flat-topped beams in a weak turbulent atmosphere under certain conditions. Our results will be useful in long-distance free-space optical communications. The scintillation properties of a rectangular DHB are closely controlled by its initial beam parameters.