Vortex beam manipulation through a tunable plasma-ferrite metamaterial

Abstract This paper is devoted to the study of vortex beam transmission from an adjustable magnetized plasma-ferrite structure with negative refraction index. We use the angular spectral expansion technique together with the $$4\times 4$$ 4 × 4 matrix method to find out the transmitted intensity and...

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Autores principales:	Davod Nobahar, Sirous Khorram, João D. Rodrigues
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/80d351dbecdc48488cca1d61f64b7c20
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spelling	oai:doaj.org-article:80d351dbecdc48488cca1d61f64b7c202021-12-02T16:35:28ZVortex beam manipulation through a tunable plasma-ferrite metamaterial10.1038/s41598-021-95693-12045-2322https://doaj.org/article/80d351dbecdc48488cca1d61f64b7c202021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95693-1https://doaj.org/toc/2045-2322Abstract This paper is devoted to the study of vortex beam transmission from an adjustable magnetized plasma-ferrite structure with negative refraction index. We use the angular spectral expansion technique together with the $$4\times 4$$ 4 × 4 matrix method to find out the transmitted intensity and phase profiles of incoming Laguerre-Gaussian beam. Based on numerical analysis we demonstrate that high transparency and large amount of Faraday rotation in the proximity of resonance frequency region, reverse rotation of spiral wave front, and side-band modes generation during propagation are the remarkable features of our proposed structure. These controllable properties of plasma-ferrite metamaterials via external static magnetic field and other structure parameters provide novel facilities for manipulating intensity and phase profiles of vortex radiation in transmission through the material. It is expected that the results of this work will be beneficial to develop active magneto-optical devices, orbital angular momentum based applications, and wavefront engineering.Davod NobaharSirous KhorramJoão D. RodriguesNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Davod Nobahar Sirous Khorram João D. Rodrigues Vortex beam manipulation through a tunable plasma-ferrite metamaterial
description	Abstract This paper is devoted to the study of vortex beam transmission from an adjustable magnetized plasma-ferrite structure with negative refraction index. We use the angular spectral expansion technique together with the $$4\times 4$$ 4 × 4 matrix method to find out the transmitted intensity and phase profiles of incoming Laguerre-Gaussian beam. Based on numerical analysis we demonstrate that high transparency and large amount of Faraday rotation in the proximity of resonance frequency region, reverse rotation of spiral wave front, and side-band modes generation during propagation are the remarkable features of our proposed structure. These controllable properties of plasma-ferrite metamaterials via external static magnetic field and other structure parameters provide novel facilities for manipulating intensity and phase profiles of vortex radiation in transmission through the material. It is expected that the results of this work will be beneficial to develop active magneto-optical devices, orbital angular momentum based applications, and wavefront engineering.
format	article
author	Davod Nobahar Sirous Khorram João D. Rodrigues
author_facet	Davod Nobahar Sirous Khorram João D. Rodrigues
author_sort	Davod Nobahar
title	Vortex beam manipulation through a tunable plasma-ferrite metamaterial
title_short	Vortex beam manipulation through a tunable plasma-ferrite metamaterial
title_full	Vortex beam manipulation through a tunable plasma-ferrite metamaterial
title_fullStr	Vortex beam manipulation through a tunable plasma-ferrite metamaterial
title_full_unstemmed	Vortex beam manipulation through a tunable plasma-ferrite metamaterial
title_sort	vortex beam manipulation through a tunable plasma-ferrite metamaterial
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/80d351dbecdc48488cca1d61f64b7c20
work_keys_str_mv	AT davodnobahar vortexbeammanipulationthroughatunableplasmaferritemetamaterial AT sirouskhorram vortexbeammanipulationthroughatunableplasmaferritemetamaterial AT joaodrodrigues vortexbeammanipulationthroughatunableplasmaferritemetamaterial
_version_	1718383701697495040

Vortex beam manipulation through a tunable plasma-ferrite metamaterial

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