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Analysis of Cylindrical Dielectric Resonators in Rectangular Cavities Using a State-Space Integral-Equation Method

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6 Author(s)
Gil, J. ; Dept. of Commun., Tech. Univ. of Valencia ; Perez, A.M. ; Gimeno, B. ; Bressan, M.
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In this letter, a state-space integral-equation method in the s-domain has been employed for the accurate analysis of rectangular cavities loaded with cylindrical dielectric resonators. The dielectric obstacles have been treated in terms of their polarization equivalent charge and current densities. The dielectric resonator can be placed at any arbitrary position inside the cavity. The presented technique allows to calculate in a very efficient way a large number of solenoidal modes. The resonant frequencies of dielectric-loaded cavities are calculated and compared with data from literature and a commercial finite element method software, showing a good agreement

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:16 ,  Issue: 12 )