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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 11 — May. 21, 2012
  • pp: 12292–12302

Creating well-defined orbital angular momentum states with a random turbulent medium

Denis W. Oesch and Darryl J. Sanchez  »View Author Affiliations


Optics Express, Vol. 20, Issue 11, pp. 12292-12302 (2012)
http://dx.doi.org/10.1364/OE.20.012292


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Abstract

Previous work by Allen, demonstrated that optical beams possess orbital angular momentum. Other work has shown that a random, phase-only disturbance can impart ±1 orbital angular momentum states to propagating waves. However, the field preceding the formation of these ±1 states was unknown. In this paper, we identify the unique field that leads to the formation of a pair of branch points, indicators of orbital angular momentum. This field is then verified in a bench-top optical experiment.

© 2012 OSA

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(010.1285) Atmospheric and oceanic optics : Atmospheric correction

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: March 30, 2012
Revised Manuscript: April 19, 2012
Manuscript Accepted: April 19, 2012
Published: May 16, 2012

Citation
Denis W. Oesch and Darryl J. Sanchez, "Creating well-defined orbital angular momentum states with a random turbulent medium," Opt. Express 20, 12292-12302 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-11-12292


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References

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