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Type: Artigo de periódico
Title: Simple And Effective Method For The Analytic Description Of Important Optical Beams When Truncated By Finite Apertures.
Author: Zamboni-Rached, Michel
Recami, Erasmo
Balma, Massimo
Abstract: In this paper we present a simple and effective method, based on appropriate superpositions of Bessel-Gauss beams, which in the Fresnel regime is able to describe in analytic form the three-dimensional evolution of important waves as Bessel beams, plane waves, gaussian beams, and Bessel-Gauss beams when truncated by finite apertures. One of the by-products of our mathematical method is that one can get in a few seconds, or minutes, high-precision results, which normally require quite lengthy numerical simulations. The method works in electromagnetism (optics, microwaves) as well as in acoustics.
Rights: fechado
Identifier DOI: 
Date Issue: 2012
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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