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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 34, Iss. 12 — Apr. 20, 1995
  • pp: 2133–2143

Partial-wave representations of laser beams for use in light-scattering calculations

Gérard Gouesbet, James A. Lock, and Gérard Gréhan  »View Author Affiliations


Applied Optics, Vol. 34, Issue 12, pp. 2133-2143 (1995)
http://dx.doi.org/10.1364/AO.34.002133


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Abstract

In the framework of generalized Lorenz–Mie theory, laser beams are described by sets of beam-shape coefficients. The modified localized approximation to evaluate these coefficients for a focused Gaussian beam is presented. A new description of Gaussian beams, called standard beams, is introduced. A comparison is made between the values of the beam-shape coefficients in the framework of the localized approximation and the beam-shape coefficients of standard beams. This comparison leads to new insights concerning the electromagnetic description of laser beams. The relevance of our discussion is enhanced by a demonstration that the localized approximation provides a very satisfactory description of top-hat beams as well.

© 1995 Optical Society of America

History
Original Manuscript: June 27, 1994
Published: April 20, 1995

Citation
Gérard Gouesbet, James A. Lock, and Gérard Gréhan, "Partial-wave representations of laser beams for use in light-scattering calculations," Appl. Opt. 34, 2133-2143 (1995)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-34-12-2133

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