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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: Stephen A. Burns
  • Vol. 22, Iss. 11 — Nov. 1, 2005
  • pp: 2542–2546

Vector propagation of radially polarized Gaussian beams diffracted by an axicon

Yaoju Zhang, Ling Wang, and Chongwei Zheng  »View Author Affiliations


JOSA A, Vol. 22, Issue 11, pp. 2542-2546 (2005)
http://dx.doi.org/10.1364/JOSAA.22.002542


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Abstract

On the basis of the vectorial Rayleigh diffraction integrals and stationary-phase method, the analytic expression describing the vectorial field distribution of radially polarized Gaussian beams diffracted by an axicon is derived. The theoretical analysis and simulation calculation show that the radial component of the diffraction field is the propagation-invariant first-order Bessel beam when the radially polarized Gaussian beam illuminates the axicon. However, the longitudinal component possesses no such behavior because of its intrinsic r dependence, and its central intensity is the maximum. The longitudinal component is related to the open angle and index of the axicon, which has to be considered when the open angle and index are large. For a small open angle and index, the longitudinal component can be neglected, and the scalar approximation is valid.

© 2005 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(260.5430) Physical optics : Polarization

ToC Category:
Physical Optics

History
Original Manuscript: January 5, 2005
Revised Manuscript: February 25, 2005
Manuscript Accepted: March 31, 2005
Published: November 1, 2005

Citation
Yaoju Zhang, Ling Wang, and Chongwei Zheng, "Vector propagation of radially polarized Gaussian beams diffracted by an axicon," J. Opt. Soc. Am. A 22, 2542-2546 (2005)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-22-11-2542

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