Formulation of correlations for general-type beams in atmospheric turbulence
JOSA A, Vol. 23, Issue 4, pp. 889-893 (2006)
http://dx.doi.org/10.1364/JOSAA.23.000889
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Abstract
Log-amplitude and phase correlations of general-type beams are formulated in atmospheric turbulence. A general beam is described as the superposition of many sets of multimode contents, each mode being off-axis Hermite–Gaussian. Since the Rytov solution is utilized, the formulas are valid in the weakly turbulent regime. The results are presented in integral forms that should be numerically evaluated for the specific beam type of interest. Our general beam results correctly reduce to the existing solutions for the correlations of limiting-case beams such as higher-order single-mode, multimode, off-axis Hermite–Gaussian, Hermite–sinusoidal-Gaussian, higher-order-annular, flat-topped-Gaussian, and thus naturally fundamental mode, plane, and spherical waves. Scintillation index and phase fluctuations in atmospheric optical links employing such special beams will be examined in future using the results reported here.
© 2006 Optical Society of America
OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(030.4070) Coherence and statistical optics : Modes
(060.4510) Fiber optics and optical communications : Optical communications
ToC Category:
Atmospheric and Oceanic Optics
History
Original Manuscript: August 12, 2005
Manuscript Accepted: September 16, 2005
Citation
Yahya Baykal, "Formulation of correlations for general-type beams in atmospheric turbulence," J. Opt. Soc. Am. A 23, 889-893 (2006)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-23-4-889
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