Ultrahigh-Resolution Optical Fiber Thermometer Based on Microcavity Opto-Mechanical Oscillation

被引:4
|
作者
Liu, Yize [1 ]
Jiang, Junfeng [1 ]
Liu, Kun [1 ]
Wang, Shuang [1 ]
Niu, Panpan [1 ]
Xu, Tianhua [1 ]
Zhang, Xuezhi [1 ]
Wang, Ziyihui [1 ]
Wang, Tong [1 ]
Ding, Zhenyang [1 ]
Liu, Tiegen [1 ]
机构
[1] Tianjin Univ, Sch Precis Instrument & Opto Elect Engn, Tianjin 300072, Peoples R China
来源
ADVANCED PHOTONICS RESEARCH | 2022年 / 3卷 / 09期
基金
中国国家自然科学基金;
关键词
fiber sensing; microcavity; opto-mechanical oscillation; WHISPERING-GALLERY MODES; MECHANICAL OSCILLATOR; TEMPERATURE SENSOR;
D O I
10.1002/adpr.202200052
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
High-resolution temperature measurement is nerve-wracking obstruction for precise characterization of many physical, chemical, and biological processes. To solve this problem, a novel microcavity-optomechanical-oscillation-based thermometer is proposed. The microcavity serving as a link parametrically couples the mechanical resonator and optical resonator in the same structure and provides a natural and highly sensitive temperature transduction mechanism and ultrahigh-resolution optical demodulation. The mathematical model of geometrical parameters, mechanics, and material properties for temperature response mechanism is established and verified experimentally. The proposed tlhermometer has a thermal sensitivity of 11 300 Hz degrees C-1 and an ultrahightemperature resolution of 1 x 10(-4) degrees C, to the best of one's knowledge, which is the highest temperature resolution with a silica cavity.
引用
收藏
页数:9
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