Fiber optofluidic Coriolis flowmeter based on a dual-antiresonant reflecting optical waveguide

被引：5

作者：

Li, Zhipei ^{[1
,2
]}

Gao, Ran ^{[1
,2
,3
]}

Xin, Xiangjun ^{[1
,2
,3
]}

Zhang, Han ^{[2
,4
]}

Chang, Huan ^{[1
,2
]}

Guo, Dong ^{[1
,2
]}

Wang, Fu ^{[1
]}

Zhou, Sitong ^{[1
]}

Yu, Chao ^{[1
]}

Liu, Xinyu ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China

[2] Beijing Inst Technol, Key Lab Photon Informat Technol, Minist Ind & Informat Technol, Beijing, Peoples R China

[3] Beijing Inst Technol, Yangtze Delta Reg Acad, Jiaxing 314019, Peoples R China

[4] Chinese Acad Sci, Inst Acoust, Key Lab Noise & Vibrat, Beijing 100190, Peoples R China

来源：

OPTICS LETTERS | 2022年 / 47卷 / 13期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1364/OL.461516

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A microfiber optofluidic flowmeter based on the Coriolis principle and a dual-antiresonant reflecting optical waveguide (ARROW) is proposed and experimentally demonstrated. A hollow hole in a hollow-core fiber is fabricated as an optofluidic channel to move the liquid sample, which forms a dual-ARROW in the hollow-core fiber. Two sides of the hollow-core fiber are used as two adjacent Fabry-Perot resonators based on the refractive index modulation of a CO2 laser, which is used to investigate the vibration signals of the two resonators. The flow rate can be measured based on the Coriolis force by calculating the phase difference between the two ARROWs. The experimental results show that a flow rate sensitivity of 8.04 deg/(mu l/s) can be achieved for ethanol solution. The proposed micro Coriolis fiber optic flowmeter can be used in various fields, such as food production, medicine, bioanalysis, etc. (C) 2022 Optica Publishing Group

引用

页码：3259 / 3262

页数：4

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