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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 27, Iss. 10 — Oct. 1, 2010
  • pp: 2337–2343

Application of orbital angular momentum to simultaneous determination of tilt and lateral displacement of a misaligned laser beam

J. Lin, X.-C. Yuan, Mingzhou Chen, and J. C. Dainty  »View Author Affiliations


JOSA A, Vol. 27, Issue 10, pp. 2337-2343 (2010)
http://dx.doi.org/10.1364/JOSAA.27.002337


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Abstract

We present an analysis of the combined effects of tilt and lateral displacement on the orbital angular momentum spectrum of a laser beam. Our theory explains the symmetries and properties of the spectrum under the influence of misalignments. We apply the theory to establish a reliable and efficient method for determining and subsequently eliminating tilt and lateral displacement. An improved technique for obtaining the orbital angular momentum spectrum employing Laguerre–Gaussian modes is proposed. Finally, a numerical experiment is carried out to verify the method.

© 2010 Optical Society of America

OCIS Codes
(220.1140) Optical design and fabrication : Alignment
(050.4865) Diffraction and gratings : Optical vortices

ToC Category:
Diffraction and Gratings

History
Original Manuscript: July 15, 2010
Revised Manuscript: September 2, 2010
Manuscript Accepted: September 3, 2010
Published: September 29, 2010

Citation
J. Lin, X.-C. Yuan, Mingzhou Chen, and J. C. Dainty, "Application of orbital angular momentum to simultaneous determination of tilt and lateral displacement of a misaligned laser beam," J. Opt. Soc. Am. A 27, 2337-2343 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-10-2337

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