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Type: Artigo
Title: Electromagnetic Frozen Waves With Radial, Azimuthal, Linear, Circular, And Elliptical Polarizations
Author: Corato-Zanarella
Mateus; Zamboni-Rached
Abstract: Frozen waves (FWs) are a class of diffraction- and attenuation-resistant beams whose intensity pattern along the direction of propagation can be chosen arbitrarily, thus making them relevant for engineering the spatial configuration of optical fields. To date, analyses of such beams have been done essentially for the scalar case, with the vectorial nature of the electromagnetic fields often neglected. Although it is expected that the field components keep the fundamental properties of the scalar FWs, a deeper understanding of their electromagnetic counterparts is mandatory in order to exploit their different possible polarization states. The purpose of this paper is to study the properties of electromagnetic FWs with radial, azimuthal, linear, circular, and elliptical polarizations under paraxial and nonparaxial regimes in nonabsorbing media. An intensity pattern is chosen for a scalar FW, and the vectorial solutions are built after it via the use of Maxwell's equations. The results show that the field components and the longitudinal component of the time-averaged Poynting vector closely follow the pattern chosen even under highly nonparaxial conditions, showing the robustness of the FW structure to parameters variations.
Subject: Attenuation Resistant Beams
Bessel Beams
Experimental Generation
Editor: Amer Physical Soc
College Park, Maryland
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.94.053802
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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