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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 2 — Jan. 15, 2011
  • pp: 286–288

Multibeam scintillation cumulative distribution function

Jason A. Tellez and Jason D. Schmidt  »View Author Affiliations


Optics Letters, Vol. 36, Issue 2, pp. 286-288 (2011)
http://dx.doi.org/10.1364/OL.36.000286


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Abstract

The gamma–gamma probability density function is commonly used to model the scintillation of a single laser beam propagating through atmospheric turbulence. One method proposed to reduce scintillation at the receiver plane involves the use of multiple channels propagating through independent paths, resulting in a sum of independent gamma–gamma random variables. Recently, a novel approach for an accurate, closed-form approximation for the sum of independent, identically distributed gamma–gamma random variables was introduced by Chatzidiamantis et al. [GLOBECOM 2009—2009 IEEE Global Telecommunications Conference (2009)]. Using this approximation, we present the first analytic model for the distribution of irradiance due to propagating multiple independent beams. This model compares favorably to wave-optics simulations.

OCIS Codes
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(290.5930) Scattering : Scintillation
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: October 12, 2010
Manuscript Accepted: December 10, 2010
Published: January 13, 2011

Citation
Jason A. Tellez and Jason D. Schmidt, "Multibeam scintillation cumulative distribution function," Opt. Lett. 36, 286-288 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-2-286

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