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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 21 — Jul. 20, 1998
  • pp: 4525–4535

Density of turbulence-induced phase dislocations

Valerii V. Voitsekhovich, Dmitri Kouznetsov, and Dmitri Kh. Morozov  »View Author Affiliations


Applied Optics, Vol. 37, Issue 21, pp. 4525-4535 (1998)
http://dx.doi.org/10.1364/AO.37.004525


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Abstract

Under certain conditions, light-wave propagation through turbulent media causes a specific type of phase distortion: so-called phase dislocations. A salient feature of phase dislocations is an appearance of zones where the phase turns out to be a multivalued function of coordinates. The problem of turbulence-induced phase dislocations is considered. Both a theoretical treatment and simulations based on the numerical solution of a parabolic equation are used for estimation of the dislocation density. Various turbulence conditions, ranging from weak to very strong ones, are considered as well as the dependences on wavelength, and the inner scales of turbulence are presented. An empirical formula for the dislocation density suitable for a wide range of turbulent and propagation conditions is derived. The results obtained can be useful for both atmospheric and adaptive optics.

© 1998 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(030.6600) Coherence and statistical optics : Statistical optics
(030.7060) Coherence and statistical optics : Turbulence

History
Original Manuscript: October 14, 1997
Revised Manuscript: February 4, 1998
Published: July 20, 1998

Citation
Valerii V. Voitsekhovich, Dmitri Kouznetsov, and Dmitri Kh. Morozov, "Density of turbulence-induced phase dislocations," Appl. Opt. 37, 4525-4535 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-21-4525

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