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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 24, Iss. 10 — Oct. 1, 2007
  • pp: 3198–3206

Inferring path average C n 2 values in the marine environment

Frida Strömqvist Vetelino, Katelyn Grayshan, and Cynthia Y. Young  »View Author Affiliations


JOSA A, Vol. 24, Issue 10, pp. 3198-3206 (2007)
http://dx.doi.org/10.1364/JOSAA.24.003198


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Abstract

Current mathematical scintillation theory describing laser propagation through the atmosphere has been developed for terrestrial environments. Scintillation expressions valid in all regimes of optical turbulence for propagation in the maritime environment, based on what we believe to be a newly developed marine atmospheric spectrum, have been developed for spherical waves. Path average values of the structure parameter, C n 2 , were inferred from optical scintillation measurements of a diverged laser beam propagating in a marine environment, using scintillation expressions based on both terrestrial and marine refractive index spectra. In the moderate-to-strong fluctuation regime, the inferred marine C n 2 values were about 20% smaller than inferred terrestrial C n 2 values, but a minimal difference was observed in the weak fluctuation regime. Measurements of angle-of-arrival fluctuations were used to infer C n 2 values in the moderate-to-strong fluctuation regime, resulting in values of the structure parameter that were at least an order of magnitude larger than the two scintillation-inferred C n 2 values.

© 2007 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(290.5930) Scattering : Scintillation

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: May 9, 2007
Manuscript Accepted: June 22, 2007
Published: September 18, 2007

Citation
Frida Strömqvist Vetelino, Katelyn Grayshan, and Cynthia Y. Young, "Inferring path average C2n values in the marine environment," J. Opt. Soc. Am. A 24, 3198-3206 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-10-3198

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