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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 35 — Dec. 10, 2011
  • pp: 6476–6483

Probability density of irradiance fluctuations observed over terrestrial ranges

Rita Mahon, Christopher I. Moore, Harris R. Burris, Mike Ferraro, William S. Rabinovich, Michel Suite, and Linda M. Thomas  »View Author Affiliations


Applied Optics, Vol. 50, Issue 35, pp. 6476-6483 (2011)
http://dx.doi.org/10.1364/AO.50.006476


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Abstract

The irradiance fluctuations imposed on a laser beam that has propagated over horizontal terrestrial paths in the range of 2 to 24 km are compared to lognormal (LN) and gamma-gamma (GG) distributions. For the direct links reported here the irradiance fluctuations follow a LN distribution except in cases of weak turbulence, characterized by a scintillation index of less than 1 and a Fried parameter larger than the receiver aperture, in which case the GG distribution gives an improved fit. In very weak turbulence the difference between the two distributions is insignificant.

© 2011 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(030.7060) Coherence and statistical optics : Turbulence
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: June 15, 2011
Revised Manuscript: September 9, 2011
Manuscript Accepted: September 12, 2011
Published: December 2, 2011

Citation
Rita Mahon, Christopher I. Moore, Harris R. Burris, Mike Ferraro, William S. Rabinovich, Michel Suite, and Linda M. Thomas, "Probability density of irradiance fluctuations observed over terrestrial ranges," Appl. Opt. 50, 6476-6483 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-35-6476

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