RESONANT FREQUENCIES OF HIGHER-ORDER MODES IN CYLINDRICAL ANISOTROPIC DIELECTRIC RESONATORS

被引：91
|
作者：
TOBAR, ME
MANN, AG
机构：
[1] Department of Physics., University of Western Australia, Ned lands, 6009., W.A.
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1991年 / 39卷 / 12期
基金：
澳大利亚研究理事会;
关键词：
D O I：
10.1109/22.106549
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An improved method is developed which allows the determination of mode frequencies to high accuracy in cylindrical anisotropic dielectric resonators. This is an extension of Garault and Guillon's method from isotropic to anisotropic dielectrics, applied to four different classes of field patterns. The theory is confirmed by room temperature measurements in two sapphire crystals of different aspect ratios, and in cryogenic sapphire resonators used in high stability fixed and tunable oscillators. The sensitivity of mode frequency to dimensional and permittivity perturbations is analyzed.
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页码：2077 / 2082
页数：6
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