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Radiation properties of a uniaxial chiral quadratic inhomogeneous slab under oblique incidence

Abdul Ghaffar
Organization: University of Agriculture, Faisalabad, Pakistan
Department: Department of Physics
Muhammad Arif
Organization: Quaid-i-Azam University, Islamabad, Pakistan
Department: Department of Electronics
Qaisar Abbas Naqvi
Majeed A. Alkanhal
Organization: King Saud University, Saudi Arabia
Department: Department of Electrical Engineering
Journal / Anthology

Year: 2014
Volume: 125
Issue: 4
Page range: 1589-1597

In this paper, the focussing of the transmitted electromagnetic field through a quadric inhomogeneous slab of lossless uniaxial chiral medium is derived using transmission coefficient under oblique incidence. The inhomogeneity in the uniaxial chiral slab has been incorporated through permittivity parameter. Asymptotic ray theory provides valid field everywhere except at focal point where it gives infinite value. Singularity of the field at focal point is addressed using Maslov’s method. The derived analytical field expressions at caustic or focal point of uniaxial quadratic inhomogeneous slab have been solved numerically using MATHEMATICA. The effects of chirality parameter, axial permittivity, transvers permittivity, angle of incidence on the refracted field are discussed and the effects of Brewster angle on the focussed field are also discussed. The results obtained using Maslov’s method are compared with Huygens–Kirchhoff’s integral which are in good agreement.

*Science > Physics
*Science > Physics > Optics

Uniaxial chiral, Caustic, Co-Polarized, Cross-polarized, Maslov’s method