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Applied Optics

Applied Optics


  • Vol. 7, Iss. 11 — Nov. 1, 1968
  • pp: 2246–2251

Interferometric Study of Phase Fluctuations of a Laser Beam Through the Turbulent Atmosphere

M. Bertolotti, M. Carnevale, L. Muzii, and D. Sette  »View Author Affiliations

Applied Optics, Vol. 7, Issue 11, pp. 2246-2251 (1968)

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Phase fluctuations of a laser beam propagating through a turbulent atmosphere are studied as a function of the distance in a cross section of the beam. An interferometer is described that allows simultaneous measurements of phase fluctuations for pairs of rays that travel in the beam at different distances between each other. Experiments with this method have been performed in an urban center at a distance of 3.5 km and 0.5 km from the source (a helium–neon laser). The results of these measurements are described, and the behavior of the mean square fluctuation of the phase difference is studied. The values of the structure constant Cn are calculated.

© 1968 Optical Society of America

Original Manuscript: March 29, 1968
Published: November 1, 1968

M. Bertolotti, M. Carnevale, L. Muzii, and D. Sette, "Interferometric Study of Phase Fluctuations of a Laser Beam Through the Turbulent Atmosphere," Appl. Opt. 7, 2246-2251 (1968)

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