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