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Título:	Effect of linear polarizers on highly focused spirally polarized fields
Autor/a:	Martínez-Herrero, Rosario; Maluenda Niubó, David; Juvells Prades, Ignacio; Carnicer González, Arturo
Otros autores:	Universitat de Barcelona
Abstract:	Linear polarizers are commonly used for projecting the direction of the electric field of a transverse paraxial beam on the direction of the polarizer axis. However, the use of these devices with highly convergent field poses a practical problem because the non transversal character of electric field. In this article, we discuss the behavior of highly focused beams with spiral polarization when they pass through a polarizer. Interestingly, beams with azimuthal polarization display a non negligible irradiance in the direction of propagation after passing through a polarizer. On top of that, we found that the irradiance of a highly focused radially polarized beam after a polarizer is notably different from the projection of the field on the direction of the polarizer axis.
Materia(s):	-Polarització (Llum) -Òptica física -Polarization (Light) -Physical optics
Derechos:	cc-by-nc-nd (c) Elsevier, 2017 http://creativecommons.org/licenses/by-nc-nd/3.0/es
Tipo de documento:	Artículo Artículo - Versión aceptada
Editor:	Elsevier
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