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Type: Artigo de periódico
Title: Exact partial wave expansion of optical beams with respect to an arbitrary origin
Author: Neves, AAR
Fontes, A
Padilha, LA
Rodriguez, E
Cruz, CHD
Barbosa, LC
Cesar, CL
Abstract: Using an analytical expression for an integral involving Bessel and Legendre functions, we succeed in obtaining the partial wave decomposition of a general optical beam at an arbitrary location relative to the origin. We also showed that solid angle integration will eliminate the radial dependence of the expansion coefficients. The beam shape coefficients obtained are given by an exact expression in terms of single or double integrals. These integrals can be evaluated numerically on a short time scale. We present the results for the case of a linear-polarized Gaussian beam. (c) 2006 Optical Society of America.
Country: EUA
Editor: Optical Soc Amer
Citation: Optics Letters. Optical Soc Amer, v. 31, n. 16, n. 2477, n. 2479, 2006.
Rights: aberto
Identifier DOI: 10.1364/OL.31.002477
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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