STUDY OF FOCUSING OF FIELD REFRACTED BY THE QUARTIC WOOD LENS INTO AN UNIAXIAL CRYSTAL | Zendy

A. Ghaffar | Zendy; Muhammad Sajjad | Zendy; Qaisar Abbas Naqvi | Zendy

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STUDY OF FOCUSING OF FIELD REFRACTED BY THE QUARTIC WOOD LENS INTO AN UNIAXIAL CRYSTAL

Author(s) -

A. Ghaffar,

Muhammad Sajjad,

Qaisar Abbas Naqvi

Publication year - 2008

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier08091901

Subject(s) - quartic function , field (mathematics) , lens (geology) , optics , uniaxial crystal , crystal (programming language) , geology , materials science , physics , optical axis , mathematics , computer science , pure mathematics , programming language

A geometrical high-frequency approximation method for solving the propagation of electromagnetic wave through the quartic Wood lens into an uniaxial crystal is presented in this paper. Caustic problem of electromagnetic wave is translated into non-caustic problem by using the hybrid space. The drawback that the solution in the caustic region cannot be obtained with geometrical optics is overcome by this method known as Maslov's method. The high-frequency approximation solution that is valid around caustic region is obtained by using this method which combines the simplicity of ray and generality of the transform method. And the results are compared with those obtained by Huygens-Kirchhoff's expression.

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