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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 22 — Nov. 15, 2007
  • pp: 3367–3369

Description of a radially polarized Laguerre–Gauss beam beyond the paraxial approximation

Shaohui Yan and Baoli Yao  »View Author Affiliations

Optics Letters, Vol. 32, Issue 22, pp. 3367-3369 (2007)

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Fifth-order corrected expressions for the fields of a radially polarized Laguerre–Gauss ( R - TEM n 1 ) laser beams are derived based on perturbative Lax series expansion. When the order of Laguerre polynomial is equal to zero, the corresponding beam reduces to the lowest-order radially polarized beam ( R - TEM 01 ) . Simulation results show that the accuracy of the fifth-order correction for R - TEM n 1 depends not only on the diffraction angle of the beam as R - TEM 01 does, but also on the order of the beam.

© 2007 Optical Society of America

OCIS Codes
(140.3430) Lasers and laser optics : Laser theory
(260.1960) Physical optics : Diffraction theory

ToC Category:
Physical Optics

Original Manuscript: September 12, 2007
Revised Manuscript: October 8, 2007
Manuscript Accepted: October 15, 2007
Published: November 14, 2007

Shaohui Yan and Baoli Yao, "Description of a radially polarized Laguerre-Gauss beam beyond the paraxial approximation," Opt. Lett. 32, 3367-3369 (2007)

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