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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 2 — Jan. 10, 2011
  • pp: 222–226

Deriving an estimate for the Fried parameter in mobile optical transmission scenarios

Dirk Giggenbach  »View Author Affiliations


Applied Optics, Vol. 50, Issue 2, pp. 222-226 (2011)
http://dx.doi.org/10.1364/AO.50.000222


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Abstract

Measuring the Fried parameter r 0 (atmospheric optical coherence length) in optical link scenarios is crucial to estimate a receiver’s telescope performance or to dimension atmospheric mitigation techniques, such as in adaptive optics. The task of measuring r 0 is aggravated in mobile scenarios, when the receiver itself is prone to mechanical vibrations (e.g., when mounted on a moving platform) or when the receiver telescope has to track a fast-moving signal source, such as, in our case, a laser transmitter on board a satellite or aircraft. We have derived a method for estimating r 0 that avoids the influence of angle-of-arrival errors by only using short-term tilt-removed focal intensity speckle patterns.

© 2011 Optical Society of America

OCIS Codes
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(350.1260) Other areas of optics : Astronomical optics
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: August 12, 2010
Revised Manuscript: November 23, 2010
Manuscript Accepted: November 23, 2010
Published: January 7, 2011

Citation
Dirk Giggenbach, "Deriving an estimate for the Fried parameter in mobile optical transmission scenarios," Appl. Opt. 50, 222-226 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-2-222


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References

  1. D. L. Fried, “Optical heterodyne detection of an atmospherically distorted signal wave front,” Proc. IEEE 55, 57–77(1967). [CrossRef]
  2. A. Tokovinin, “From differential image motion to seeing,” Publ. Astron. Soc. Pac. 114, 1156–1166 (2002). [CrossRef]
  3. A. Glindemann, “Beating the seeing limit—adaptive optics on large telescopes,” state doctorate thesis (Ruprecht-Karls-Universität, 1997).
  4. L. C. Andrews and R. L. Phillips, Laser Beam Propagation through Random Media (SPIE Press, 1998), p. 144.
  5. Proceedings of the International Workshop on Ground-to-OICETS Laser Communications Experiments 2010—GOLCE (Japanese National Institute of Information and Communications Technology, 2010). [PubMed]
  6. J. W. Hardy, Adaptive Optics for Astronomical Telescopes(Oxford University, 1998).

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