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Applied Optics

Applied Optics


  • Vol. 29, Iss. 7 — Mar. 1, 1990
  • pp: 926–930

Wander of an optical beam in the turbulent atmosphere

James H. Churnside and Richard J. Lataitis  »View Author Affiliations

Applied Optics, Vol. 29, Issue 7, pp. 926-930 (1990)

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A simple, analytic, geometrical optics expression for the variance of the beam displacements caused by propagation through weak refractive turbulence described by the Kolmogorov spectrum is presented. The analytical formula includes the effect of the divergence or convergence of the initial beam. The formula is compared with numerical results obtained from a more complicated expression including effects of diffraction and strong path-integrated turbulence. The simple geometrical optics expression holds for apertures larger than the Fresnel zone size and larger than the ratio of the square of the Fresnel zone to the phase coherence length.

© 1990 Optical Society of America

Original Manuscript: April 27, 1989
Published: March 1, 1990

James H. Churnside and Richard J. Lataitis, "Wander of an optical beam in the turbulent atmosphere," Appl. Opt. 29, 926-930 (1990)

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