Longitudinal- and transverse-operators formalism for chiral media: Application to guided structures filled with chiral materials

Oussaid, Rachid; Haraoubia, Brahim

doi:10.1139/p03-126

Cited by 9 publications

(2 citation statements)

References 12 publications

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“…These waveguides have various uses in, millimetre, microwave, terahertz, and EMs engineering where several types of metamaterial waveguides using negative index have been investigated [1][2][3]. It is noticed from published literature that chiral metamaterial waveguides have been of great research interest [4][5][6]. These metamaterials may exhibit special electromagnetic response that does not occur in natural materials [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Propagation through chiroplasma waveguide using perfect magnetic conductor boundary conditions

Ghaffar

Alkanhal

2015

Can. J. Phys.

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Analysis of electromagnetic wave propagations in a cylindrical waveguide filled with a chiroplasma core coated with a perfect magnetic conductor is presented. The presented analysis and formulations is generalized for any general isotropic or anisotropic material, including plasma and metamaterials. The characteristic equations are obtained and the behavior of its characteristic curves and the energy flux are examined and evaluated numerically. The obtained results show that the behavior of the energy flux transported in the guide, in magnitude and orientation, is highly affected by the chirality parameter and the plasma and cyclotron frequencies. The mode cut-off frequencies and transported energies are sensitive to the variations in the material parameters, particularly the variations in the chirality parameter. PACS No.: 41.20.Jb. Résumé : Nous présentons une analyse de la propagation d'une onde électromagnétique dans un guide d'onde cylindrique rempli d'un coeur de chiro-plasma recouvert d'un parfait conducteur magnétique. L'analyse et la formulation présentées ici sont valides pour tout matériau général, isotrope/anisotrope, incluant plasmas et méta-matériaux. Nous obtenons les équations caractéristiques et nous évaluons numériquement le comportement de ses courbes caractéristiques et le flux d'énergie. Les résultats obtenus montrent que le comportement du flux d'énergie dans le guide, en grandeur et en orientation, est très affecté par le paramètre de chiralité et par les fréquences du plasma et de cyclotron. Les fréquences de coupure des modes et l'énergie transportée sont sensibles à la variation des paramètres du matériau, en particulier le paramètre de chiralité. [Traduit par la Rédaction]

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Section: Introductionmentioning

confidence: 99%

Propagation through chiroplasma waveguide using perfect magnetic conductor boundary conditions

Ghaffar

Alkanhal

2015

Can. J. Phys.

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“…Consequently, several interesting phenomena were observed and thus related applications suggested. A chiral medium is a reciprocal medium characterized by a three-parameter model [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15]. Chiral mediums are bi-isotropics representing reciprocally the coupling between the electrical (D, E) and magnetic (B, H) quantities.…”

Section: Introductionmentioning

confidence: 99%

Electromagnetic shielding effect of chiral and typical materials

Oussaid

2010

JAE

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In this paper, we present a theoretical study of plane waves in chiral media. We are particularly interested in designing and analyzing chiral devices to quantify their shielding effectiveness as a function of frequency. The typical shielding materials used in this study are copper, aluminium and steel. We have also conducted a comparative study between these different types of materials. Due to chirality, there is magnetoelectric coupling. The electric and magnetic shielding effects are shown to be function of the three material parameters (ε, µ, κ). We found that, at normal incident angle, reflection occurs similar to that of isotropic medium. The cross-polarization effects caused by the chirality appear at oblique wave incidence.

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