A Temperature Sensor Based on a Whispering Gallery Mode Resonator

被引：2
|
作者：
Yu, L. [1 ]
Fernicola, V. [1 ]
机构：
[1] Nanjing Univ Technol, NJUT, Nanjing 211816, Jiangsu, Peoples R China
来源：
TEMPERATURE: ITS MEASUREMENT AND CONTROL IN SCIENCE AND INDUSTRY, VOL 8 | 2013年 / 1552卷
关键词：
Temperature Sensor; Whispering Gallery Mode; Microwave Resonator; Sapphire;
D O I：
10.1063/1.4819667
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper deals with a microwave temperature sensor based on a whispering gallery mode (WGM) resonator whose dielectric medium is a cylindrical sapphire crystal. The performance as temperature sensor were investigated a three WGMs resonant frequencies over the temperature range from -40 degrees C to 85 degrees C. It was found that the quality factor for these WGMs can be in excess of 1.7.10(5), potentially enabling high-resolution measurements. The temperature repeatability, stability, hysteresis, frequency-vs-temperature sensitivity of the WGM temperature sensor are reported. Moreover, two sapphires, which have the same nominal characteristics, were investigated in order to assess the system reproducibility and the results reported.
引用
收藏
页码：920 / 924
页数：5
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