Radially two-layered quasi-optical dielectric resonators with ethyl alcohol and water

被引：0
|
作者：
Cherpak, N. T. [1 ]
Barannik, A. A. [1 ]
Prokopenko, Yu. V. [1 ]
Shaforost, E. N. [1 ]
Shipilova, I. A. [1 ]
Filipov, Yu. F. [1 ]
机构：
[1] Natl Acad Sci Ukraine, A Usikov Inst Radiophys & Elect, Dept SolidState Radiophys, UA-61085 Kharkov, Ukraine
来源：
35th European Microwave Conference, Vols 1-3, Conference Proceedings | 2005年
关键词：
D O I：
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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：
Two-layered (along a radius) quasi-optical dielectric resonators of Teflon with conducting endplates and lossy liquids are studied in Ka-band. Whispering gallery modes are excited in the resonators. The measurement data are compared with theoretical calculations of frequencies and Q-factors of the resonators filled with water, ethyl alcohol and benzine. A number of the "anomalies" of the resonators are explained in terms of change of field distribution in such resonators. Availability of the resonator for microwave characterization of lossy liquids from first principles (i.e. without calibration procedure) is considered. The QDR-based technique can be important also for measurement of reference liquids in millimeter wavelength range.
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页码：1211 / 1214
页数：4
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