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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 73, Iss. 6 — Jun. 1, 1983
  • pp: 831–837

Receiver-aperture averaging effects for the intensity fluctuation of a beam wave in the turbulent atmosphere

S. J. Wang, Y. Baykal, and M. A. Plonus  »View Author Affiliations


JOSA, Vol. 73, Issue 6, pp. 831-837 (1983)
http://dx.doi.org/10.1364/JOSA.73.000831


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Abstract

Using a Gaussian weighting function for the receiver aperture, we obtain a closed-form representation for the receiver- aperture averaging effect for the intensity fluctuation of a beam wave in the turbulent atmosphere. It is shown that, unlike for the plane-wave case, the power scintillations do not always decrease when the receiver aperture is increased. The reasons are that (1) the intensity fluctuations on the axis for a coherent beam-wave source are smaller than these off the axis and (2) the averaging effect cannot show up when the total beam is within a coherent patch (i.e., the coherence length is larger than the beamwidth).

© 1983 Optical Society of America

Citation
S. J. Wang, Y. Baykal, and M. A. Plonus, "Receiver-aperture averaging effects for the intensity fluctuation of a beam wave in the turbulent atmosphere," J. Opt. Soc. Am. 73, 831-837 (1983)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-73-6-831


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References

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