Numerical study of a structure containing left-handed material waveguide

Abstract

In this paper a waveguide structure consisting of a pair of left-handed material (LHM) and dielectric slabs inserted in vacuum 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 effects of frequency, angle of incidence and LHM thickness on the transmitted power when the refractive index of the dielectric layer changes. The same procedure is repeated to show the variation of the transmitted power with the change in the mentioned parameters under different values of dissipation factor of the lossy LHM. Consequently, two cases of the LHM are considered, loss-less case and loss case. The results obtained, are in agreement with the law of conservation of energy.

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Correspondence to M. F. Ubeid.

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Ubeid, M.F., Shabat, M.M. & Sid-Ahmed, M.O. Numerical study of a structure containing left-handed material waveguide. Indian J Phys 86, 125–128 (2012). https://doi.org/10.1007/s12648-012-0018-1

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Keywords

  • Electromagnetic waves
  • Left-handed material
  • Frequency
  • Transmitted power

PACS Nos.

  • 42.25Bs
  • 42.25.Dd
  • 42.25.Gy