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Title | Numerical study of negative-refractive index ferrite waveguide |
Authors |
Muin F. Ubed,
Mohammed M. Shabat, Mohammed O. Sid-Ahmed, |
ORCID | |
Keywords |
frequency transmitted power ferromagnetic material |
Type | Conference Papers |
Date of Issue | 2011 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/20572 |
Publisher | Sumy State University |
License | Copyright not evaluated |
Citation | Ubeid, M.F. Numerical study of negative-refractive index ferrite waveguide [Òåêñò] / M. F. Ubeid, M. M. Shabat, M. O. Sid-Ahmed // Nanomaterials: applications & properties. Proceedings : 1-st International conference, Alushta, Crimea, 27-30 Semptember 2011 / Edited by: A. Pogrebnjak, T. Lyutyy, S. Protsenko. - Sumy : Sumy State University, 2011. - V.2, P.². - C. 47-55. |
Abstract |
Consider a magnetized ferrite-wire waveguide structure situated between two half
free spaces. Ferrites to provide negative permeability and wire arrays to provide negative
permittivity. The structure form left-handed material (LHM) with negative refractive
index. The transmission of electromagnetic waves through the structure is investigated
theoretically. Maxwell's equations are used to determine the electric and magnetic
fields of the incident waves at each layer. Snell's law is applied and the boundary conditions
are imposed at each layer interface to calculate the reflected and transmitted powers
of the structure. Numerical results are illustrated to show the effect of frequency,
applied magnetic fields, angle of incidence and LHM thickness on the mentioned powers.
The analyzed results show that the transmission is very good when the permeability
and permittivity of the structure are both simultaneously negative. The frequency band
corresponding to this transmission can be tuned by changing the applied magnetic
fields. The obtained results are in agreement with the law of conservation of energy.
When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/20572 |
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