Subwavelength beams with polarization singularities in plasmonic metamaterials

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Title: Subwavelength beams with polarization singularities in plasmonic metamaterials
Authors: Zapata Rodríguez, Carlos Javier | Caballero Caballero, María Teresa | Martínez Martínez, Luis Enrique | Miret, Juan Jose
Research Group/s: Grupo de Óptica y Percepción Visual (GOPV) | Óptica y Ciencias de la Visión | Comunicación y Públicos Específicos
Center, Department or Service: Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía
Keywords: Artificially engineered materials | Singular optics | Diffraction
Knowledge Area: Óptica
Issue Date: 19-Sep-2014
Publisher: IOP Publishing
Citation: Physica Scripta. 2014, T162: 014045. doi:10.1088/0031-8949/2014/T162/014045
Abstract: We investigated the diffraction behavior of plasmonic Bessel beams propagating in metal-dielectric stratified materials and wire media. Our results reveal various regimes in which polarization singularities are selectively maintained. This polarization-pass effect can be controlled by appropriately setting the filling factor of the metallic inclusions and its internal periodic distribution. These results may have implications in the development of devices at the nanoscale level for manipulation of polarization and angular momentum of cylindrical vector beams.
Sponsor: This research was funded by the Spanish Ministry of Economy and Competitiveness under the project TEC2011-29120-C05-01.
ISSN: 0031-8949 (Print) | 1402-4896 (Online)
DOI: 10.1088/0031-8949/2014/T162/014045
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2014 The Royal Swedish Academy of Sciences
Peer Review: si
Publisher version:
Appears in Collections:INV - IMAOS+V - Artículos de Revistas
INV - GOPV - Artículos de Revistas

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