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PIER PIER B PIER C PIER M PIER Letters
2008-03-01
Electromagnetic Resonances and Field Distributions of a Chiral Filled Spherical Perfectly Conducting Cavity
By
Denchai Worasawate,

    Dr. Denchai Worasawate

    Department of Electrical Engineering

    Kasetsart University

    Thailand

    Homepage

Muhammad Shahzad,

    Dr. Muhammad Shahzad

    Department of Electrical Engineering

    Kasetsart University

    Thailand

    Homepage

Monai Krairiksh

    Prof. Monai Krairiksh

    Faculty of Engineering

    King Mongkut's Institute of Technology Ladkrabang

    Thailand

    Homepage

Progress In Electromagnetics Research, Vol. 82, 77-94, 2008
doi:10.2528/PIER08013008
Abstract
The electromagnetic resonances of a spherical cavity, with a perfectly conducting wall and filled with a homogeneous isotropic chiral medium, is studied using the spherical vector wavefunctions. The characteristic equation and the expressions for the field components, when chirality reaches its maximum value, are derived. The characteristic equation is obtained by imposing the boundary condition on the wall of the spherical cavity. The characteristic equation is solved numerically and reported for the first five modes. These modes are hybrid modes. They are classes as either hybrid electric (HE) modes or hybrid magnetic (HM) modes. The explicit expressions for the field components of the HE and HM modes are given, and the field distributions of a few modes are shown. The chirality is observed to have significant effects on the resonances and the field distributions of a chiral filled spherical perfectly conducting cavity. The results show interesting properties of the cavity, which could be applied to new applications.
Citation
Denchai Worasawate, Muhammad Shahzad, and Monai Krairiksh, "Electromagnetic Resonances and Field Distributions of a Chiral Filled Spherical Perfectly Conducting Cavity," Progress In Electromagnetics Research, Vol. 82, 77-94, 2008.
doi:10.2528/PIER08013008
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