Novel method to measure unloaded quality factor of resonant cavities at room temperature

被引：0

作者：

Ping Wang ^{[1
,2
]}

Jia-Ru Shi ^{[1
,2
]}

Zheng-Feng Xiong ^{[3
]}

Ze-Ning Liu ^{[1
,2
]}

Cheng Cheng ^{[1
,2
]}

Huai-Bi Chen ^{[1
,2
]}

机构：

[1] Department of Engineering Physics, Tsinghua University

[2] Key Laboratory of Particle and Radiation Imaging of Ministry of Education, Tsinghua University

[3] Northwest Institute of Nuclear Technology

来源：

Nuclear Science and Techniques | 2018年 / 29卷 / 04期

关键词：

Resonant cavity; Q factor; LRC circuit; Coupling coefficient;

D O I：

暂无

中图分类号：

TL50 [一般性问题];

学科分类号：

摘要：

We demonstrated a novel method to measure the unloaded quality factor（Q factor） of high-Q resonant cavities. This method was used to obtain data with low errors and calculate the unloaded Q factor. This procedure was more reliable than traditional methods. The data required for the method were near the resonant frequency,not at the half-power points of the reflection coefficient curve or Smith chart. We applied the new method to measure a resonant cavity with an unloaded Q factor of;00,000, obtaining good agreement between the measured and theoretical results.

引用

页码：3 / 9

页数：7

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