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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

  • Vol. 10, Iss. 9 — Sep. 1, 1993
  • pp: 1984–1988

Deconvolution of noise by a numerical method in laser atmospheric scintillation

F. Cochetti and A. Consortini  »View Author Affiliations


JOSA A, Vol. 10, Issue 9, pp. 1984-1988 (1993)
http://dx.doi.org/10.1364/JOSAA.10.001984


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Abstract

The method of constrained iteration is used to deconvolve measured histograms of intensity fluctuations of a laser beam propagated through atmospheric turbulence. The histograms are blurred by noise and background contributions in consequence of the combination law of probability-density functions. The deconvolution is applied first without constraint and then with the physical condition of positivity of the counting values. A criterion for properly stopping the iteration is also presented. The results are checked by evaluating the moments and comparing them with those previously obtained from direct noise and background removal.

© 1993 Optical Society of America

History
Original Manuscript: November 30, 1992
Revised Manuscript: March 29, 1993
Manuscript Accepted: March 30, 1993
Published: September 1, 1993

Citation
F. Cochetti and A. Consortini, "Deconvolution of noise by a numerical method in laser atmospheric scintillation," J. Opt. Soc. Am. A 10, 1984-1988 (1993)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-10-9-1984


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References

  1. A. Consortini, G. Conforti, “Detector saturation effect on higher-order moments of intensity fluctuations in atmospheric laser propagation measurements,” J. Opt. Soc. Am. A 1, 1075–1077 (1984). [CrossRef]
  2. A. Consortini, E. Briccolani, G. Conforti, “Strong scintillation statistics deterioration due to detector saturation,” J. Opt. Soc. Am. A 3, 101–107 (1986). [CrossRef]
  3. A. Consortini, R. J. Hill, “Reduction of the moments of intensity fluctuations caused by amplifier saturation for both the Kand the log-normally modulated exponential probability densities,” Opt. Lett. 12, 304–306 (1987). [CrossRef] [PubMed]
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  15. The experiment was done during a joint measurement campaign of the National Oceanic and Atmospheric Administration/Environmental Research Laboratory/Wave Propagation Laboratory and the Department of Physics, University of Florence, Florence, Italy; it was also supported by the Consiglio Nazionale delle Ricerche, Italy.
  16. J. H. Churnside, R. J. Hill, G. Conforti, A. Consortini, “Aperture size and bandwidth requirements for measuring strong scintillation in the atmosphere,” Appl. Opt. 28, 4126–4132 (1989). [CrossRef] [PubMed]
  17. H. Stark, Image Recovery and Applications (Academic, New York, 1987).
  18. A. Consortini, F. Cochetti, “Removing noise from histograms of probability density in laser scintillation,” presented at the International Commission for Optics Topical Meeting on Atmospheric, Volume and Surface Scattering and Propagation, Florence, Italy, 1991.
  19. C. Aime, E. Aristidi, H. Lanteri, G. Ricot, “Probability imaging of extended astronomical sources at low light levels,” presented at the International Commission for Optics Topical Meeting on Atmospheric, Volume and Surface Scattering and Propagation, Florence, Italy, 1991.

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