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