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Journal Article

Scintillation properties of non-circular flat-topped beams

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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. (2008). Scintillation properties of non-circular flat-topped beams. JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS, 10(7): 075003. doi:10.1088/1464-4258/10/7/075003.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6C8E-B
Abstract
The scintillation properties of a flat-topped (FT) beam of non-circular (rectangular or elliptical) symmetry propagating in a weak turbulent atmosphere are investigated. Explicit expressions for the on-axis scintillation index of rectangular and elliptical FT beams in a weak turbulent atmosphere are derived. It is found that the scintillation index value of a rectangular or elliptical FT beam can be smaller than that of a circular Gaussian beam under certain conditions. The scintillation properties of non-circular FT beams are closely related to the beam parameters.