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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 30 — Oct. 20, 2012
  • pp: 7262–7267

Increase in laser beam resistance to random inhomogeneities of atmospheric permittivity with an optical vortex included in the beam structure

Valerii P. Aksenov and Cheslav E. Pogutsa  »View Author Affiliations


Applied Optics, Vol. 51, Issue 30, pp. 7262-7267 (2012)
http://dx.doi.org/10.1364/AO.51.007262


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Abstract

The role of the vortical phase in the initial structure of the wave field of a laser beam propagating in the turbulent atmosphere in statistical regularities of beam wandering is studied. It is found that in the near diffraction zone the variances of wandering of the vortical beam and the fundamental Gaussian beam turns out to be identical, if the initial radius of the Gaussian beam is equal to the radius of the ring intensity distribution of the vortical beam. In the far diffraction zone, the vortical beam wanders more slightly than the Gaussian beam with the same effective radius of the initial intensity distribution does. It is also shown that laser beams with the initial ring intensity distribution similar to the intensity distribution of a vortical beam, but not having the vortical phase distribution, are less resistant to the atmospheric turbulence than the vortical beam.

© 2012 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(030.1640) Coherence and statistical optics : Coherence
(050.4865) Diffraction and gratings : Optical vortices
(260.6042) Physical optics : Singular optics

ToC Category:
Physical Optics

History
Original Manuscript: June 1, 2012
Revised Manuscript: August 24, 2012
Manuscript Accepted: September 17, 2012
Published: October 16, 2012

Citation
Valerii P. Aksenov and Cheslav E. Pogutsa, "Increase in laser beam resistance to random inhomogeneities of atmospheric permittivity with an optical vortex included in the beam structure," Appl. Opt. 51, 7262-7267 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-30-7262

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