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Title: Behavior of propagating and evanescent components in azimuthally polarized non-paraxial fields
Author: Martínez-Herrero, Rosario
Mejías, Pedro M.
Juvells Prades, Ignacio
Carnicer González, Arturo
Keywords: Òptica
Polarització (Llum)
Camps electromagnètics
Feixos de làser
Polarization (Light)
Electromagnetic fields
Laser beams
Issue Date: 2-Apr-2013
Publisher: Springer Verlag
Abstract: The contribution of the propagating and the evanescent waves associated with freely propagating non-paraxial light fields whose transverse component is azimuthally polarized at some plane is investigated. Analytic expressions are derived for describing both the spatial shape and the relative weight of the propagating and the evanescent components integrated over the transverse plane. The analysis is carried out within the framework of the plane-wave angular spectrum approach. These results are used to illustrate the behavior of a kind of donut-like beams with transverse azimuthal polarization at some plane.
Note: Versió postprint del document publicat a:
It is part of: Applied Physics B-Lasers and Optics, 2013
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ISSN: 0946-2171
Appears in Collections:Articles publicats en revistes (Física Aplicada)

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