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PIER PIER B PIER C PIER M PIER Letters
2009-01-16
Fields in the Focal Space of Symmetrical Hyperboloidal Focusing Lens
By
Abdul Ghaffar,

    Dr. Abdul Ghaffar

    Department of Physics

    University of Agriculture

    Pakistan

    Homepage

Azhar Abbas Rizvi,

    Professor Azhar Abbas Rizvi

    Department of Electronics

    Quaid-i-Azam University

    Pakistan

    Homepage

Qaisar Naqvi

    Dr. Qaisar Naqvi

    Department of Electronics

    Quaid-i-Azam University

    Pakistan

    Homepage

Progress In Electromagnetics Research, Vol. 89, 255-273, 2009
doi:10.2528/PIER08122207
Abstract
In this paper, Maslov's method has been used to obtain the high frequency field refracted by a hyperboloidal focusing lens. High frequency problem which contains caustic region is transformed into caustic free problem by transforming the situation into mixed domain. The high-frequency solution that includes the caustic region is obtained from geometrical optics. The defect in high frequency solution due to geometrical optics is overcomed by Maslov's method. Numerical computations are made for the field pattern around the caustic. The results are found in good agreement withobtained using Debye-Wolf focusing integral.
Citation
Abdul Ghaffar, Azhar Abbas Rizvi, and Qaisar Naqvi, "Fields in the Focal Space of Symmetrical Hyperboloidal Focusing Lens," Progress In Electromagnetics Research, Vol. 89, 255-273, 2009.
doi:10.2528/PIER08122207
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