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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

  • Vol. 13, Iss. 5 — May. 1, 1996
  • pp: 962–966

Diffraction characteristics of the azimuthal Bessel–Gauss beam

Pamela L. Greene and Dennis G. Hall  »View Author Affiliations


JOSA A, Vol. 13, Issue 5, pp. 962-966 (1996)
http://dx.doi.org/10.1364/JOSAA.13.000962


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Abstract

We examine the free-space propagation characteristics of an azimuthally polarized, circularly symmetric beam, such as that emitted by a concentric-circle-grating surface-emitting laser. We begin with the appropriate scalar wave equation and then find the azimuthal Bessel–Gauss beam solution, using both a Cartesian decomposition method and an angular spectrum representation. We find a general azimuthal diffraction integral for circularly symmetric disturbances and examine two special cases, a thin lens and a circular aperture; the azimuthally polarized beam remains well behaved in both cases. Plots of radial field profiles and longitudinal beam-waist evolution are presented.

© 1996 Optical Society of America

History
Original Manuscript: July 17, 1995
Revised Manuscript: December 4, 1995
Manuscript Accepted: November 14, 1995
Published: May 1, 1996

Citation
Pamela L. Greene and Dennis G. Hall, "Diffraction characteristics of the azimuthal Bessel–Gauss beam," J. Opt. Soc. Am. A 13, 962-966 (1996)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-13-5-962

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