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Influence of turbulence strength on temporal correlation of scintillation |
Optics Letters, Vol. 36, Issue 9, pp. 1725-1727 (2011)
http://dx.doi.org/10.1364/OL.36.001725
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Abstract
Through extensive laboratory experimentation we demonstrate that the temporal frequency content of turbulence-induced scintillation strongly depends on the temperature gradient exerted at the propagation path of a collimated laser beam. We find a power law relating the turbulence strength induced by convection with the vertical temperature gradient and we show that the cutoff frequency of scintillation shows an approximately linear growth with turbulence strength, measured by angle-of-arrival fluctuations. The impact of these findings are discussed in the context of free-space optical communications.
© 2011 Optical Society of America
OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(060.2605) Fiber optics and optical communications : Free-space optical communication
ToC Category:
Atmospheric and Oceanic Optics
History
Original Manuscript: April 1, 2011
Manuscript Accepted: April 6, 2011
Published: April 29, 2011
Citation
Jaime A. Anguita and Jaime E. Cisternas, "Influence of turbulence strength on temporal correlation of scintillation," Opt. Lett. 36, 1725-1727 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-9-1725
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