DocumentCode :
1270074
Title :
Rigorous analysis of the TM0n modes in a dielectric-post resonator with an annular slot in the upper plate
Author :
Michalski, K.A. ; Di, X. ; Glisson, A.W.
Author_Institution :
Dept. of Electr. Eng., Texas A&M Univ. Coll. Station, TX, USA
Volume :
138
Issue :
5
fYear :
1991
fDate :
10/1/1991 12:00:00 AM
Firstpage :
429
Lastpage :
434
Abstract :
The problem of a cylindrical dielectric-post resonator with an annular slot in the upper plate is rigorously solved. The analysis is based on an integral equation for the electric field in the slot which in the absence of external excitation has nontrivial solutions only at the complex resonant frequencies of the structure. This integral equation is solved numerically by the method of moments, and the resonant frequencies are determined as the zeros of the associated matrix determinant in the complex frequency plane. Attention is limited to the axisymmetric TM0n modes. Sample numerical results are given, including the complex resonant frequencies, the associated modal fields, and the radiation patterns of the first few resonator modes. The dependence of these quantities on the width and location of the annular slot is shown
Keywords :
dielectric resonators; integral equations; TM0n modes; annular slot; axisymmetric transverse magnetic modes; complex frequency plane; cylindrical resonator; dielectric-post resonator; electric field; integral equation; method of moments; modal fields; radiation patterns; resonant frequencies;
fLanguage :
English
Journal_Title :
Microwaves, Antennas and Propagation, IEE Proceedings H
Publisher :
iet
ISSN :
0950-107X
Type :
jour
Filename :
99448
Link To Document :
بازگشت