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17 July 2014 Calculation of reflected and transmitted powers of a metamaterial waveguide structure using MAPLE software
Mohammed M. Shabat, Muin F. Ubeid, Mohammed O. Sid-Ahmed
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Proceedings Volume 9289, 12th Education and Training in Optics and Photonics Conference; 92891L (2014) https://doi.org/10.1117/12.2070526
Event: 12th Education and Training in Optics and Photonics Conference, 2013, Porto, Portugal
Abstract
Consider a waveguide structure consisting of a pair of metamaterial and dielectric slabs inserted in vacuum. A plane polarized wave is obliquely incident on it. Metamaterials (sometimes termed left-handed materials (LHMs)) are materials whose real parts of permittivity ε and permeability μ are both negative and consequently have negative index of refraction. The transmission of the electromagnetic waves through the structure is analyzed theoretically and numerically with the emphasis on the dissipation factor. Maxwell's equations are used to determine the electric and magnetic fields of the incident waves in each region. Then, Snell's law is applied and the boundary conditions of the fields are imposed at each layer interface to obtain a number of equations with unknown parameters. The MAPLE is used to solve these equations for the unknown parameters to calculate the reflection and transmission coefficients. These coefficients are used to determine the reflected, transmitted and loss powers of the structure. In the numerical results the mentioned powers are computed and illustrated as a function of frequency, angle of incidence and slab thickness when the dissipation factor changes.
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Mohammed M. Shabat, Muin F. Ubeid, and Mohammed O. Sid-Ahmed "Calculation of reflected and transmitted powers of a metamaterial waveguide structure using MAPLE software", Proc. SPIE 9289, 12th Education and Training in Optics and Photonics Conference, 92891L (17 July 2014); https://doi.org/10.1117/12.2070526
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KEYWORDS
Metamaterials
Electromagnetic radiation
Magnetism
Dielectrics
Waveguides
Interfaces
Maxwell's equations
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