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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 17 — Sep. 1, 2006
  • pp: 2616–2618

Analytical vectorial structure of Laguerre–Gaussian beam in the far field

Guoquan Zhou  »View Author Affiliations


Optics Letters, Vol. 31, Issue 17, pp. 2616-2618 (2006)
http://dx.doi.org/10.1364/OL.31.002616


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Abstract

Based on the vector angular spectrum of the electromagnetic beam and the method of stationary phase, the analytical vectorial structure of the Laguerre–Gaussian beam has been presented in the far field. According to the analytical electromagnetic representations of the TE and TM terms, the energy flux distributions of the TE term, the TM term, and the whole beam are investigated in the far field, respectively. The formulas obtained are applicable not only to the paraxial case, but also to the nonparaxial case. The physical pictures of Laguerre–Gaussian beams are well illustrated from the vectorial structure, which may provide a new approach to manipulate laser beams.

© 2006 Optical Society of America

OCIS Codes
(140.3430) Lasers and laser optics : Laser theory
(260.2110) Physical optics : Electromagnetic optics
(350.5500) Other areas of optics : Propagation

ToC Category:
Physical Optics

History
Original Manuscript: May 4, 2006
Revised Manuscript: May 23, 2006
Manuscript Accepted: June 13, 2006
Published: August 9, 2006

Citation
Guoquan Zhou, "Analytical vectorial structure of Laguerre-Gaussian beam in the far field," Opt. Lett. 31, 2616-2618 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-17-2616


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