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Full-wave analysis of high-T/sub c/ superconductor patch antenna on lossy bi-anisotropic substrates

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2 Author(s)
Zhenglian Cai ; Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada ; J. Bornemann

A general analysis technique for the high-T/sub c/ superconductor patch antenna on lossy bi-anisotropic substrates is presented. The extended spectral domain immitance approach is combined with the concept of imperfect conductors imbedded in layered anisotropic media. A novel decoupling procedure for the electric and magnetic field is developed which makes it possible to arrive at closed-form impedance dyadic Green's functions in the spectral domain for bi-anisotropic cases. The results presented achieve excellent agreement with previously published data and demonstrate the feasibility of the method. The numerical results show that the Q-factor of patch antennas can be significantly improved by replacing the conventional conductor with high-T/sub c/ superconducting material, whereas this has negligible influence on the resonant frequency.<>

Published in:

Antennas and Propagation Society International Symposium, 1992. AP-S. 1992 Digest. Held in Conjuction with: URSI Radio Science Meeting and Nuclear EMP Meeting., IEEE

Date of Conference:

18-25 June 1992