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Transverse and longitudinal components of the propagating and evanescent waves associated to radially-polarized nonparaxial fields
Martínez-Herrero, Rosario; Mejías, Pedro M.; Juvells Prades, Ignacio; Carnicer González, Arturo
Universitat de Barcelona
A comparison is established between the contributions of transverse and longitudinal components of both the propagating and the evanescent waves associated to freely propagating radially polarized nonparaxial beams. Attention is focused on those fields that remain radially polarized upon propagation. In terms of the plane-wave angular spectrum of these fields, analytical expressions are given for determining both the spatial shape of the above components and their relative weight integrated over the whole transverse plane. The results are applied to two kinds of doughnut-like beams with radial polarization, and we compare the behavior of such fields at two transverse planes.
Equacions de Maxwell
Electromagnetisme
Polarització (Llum)
Làsers
Propagació d'ones
Maxwell equations
Electromagnetism
Polarization (Light)
Lasers
Wave propagation
(c) Springer Verlag, 2012
Article
info:eu-repo/semantics/acceptedVersion
Springer Verlag
         

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