Phase and group velocities of surface waves in left-handed material waveguide structures

• Autorzy: Taya S. A. , Elwasife K. Y. , Qadoura I. M.

Identyfikatory

DOI

10.5277/oa170213

• Języki publikacji: EN

Abstrakty

EN

We assume a three-layer waveguide structure consisting of a dielectric core layer embedded between two left-handed material claddings. The phase and group velocities of surface waves supported by the waveguide structure are investigated. Many interesting features were observed such as normal dispersion behavior in which the effective index increases with the increase in the propagating wave frequency. The phase velocity shows a strong dependence on the wave frequency and decreases with increasing the frequency. It can be enhanced with the increase in the guiding layer thickness. The group velocity peaks at some value of the normalized frequency and then decays.

Słowa kluczowe

EN

slab waveguide; phase velocity; group velocity; left-handed materials

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2017
• Tom: Vol. 47, nr 2
• Strony: 307--318
• Opis fizyczny: Bibliogr. 34 poz., rys.

Twórcy

autor

Taya S. A.

• Physics Department, Islamic University of Gaza, Gaza, Palestine

autor

Elwasife K. Y.

• Physics Department, Islamic University of Gaza, Gaza, Palestine

autor

Qadoura I. M.

• Physics Department, Islamic University of Gaza, Gaza, Palestine

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).