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

Posted on 23.06.2022 - 16:47
A micro fiber optofluidic flowmeter based on the Coriolis principle and the dual-antiresonant reflecting optical waveguide (ARROW) is proposed and experimentally demonstrated. A hollow hole in a hollow-core fiber was fabricated as a optofluidic channel to move the liquid sample, which formed a dual-ARROW in the hollow-core fiber. Two sides of the hollow-core fiber were used as two adjacent Fabry-Pérot resonators based on the refractive index modulation of a CO2 laser, which was used to investigate the vibration signals of the two resonators. The flow rate could be measured based on the Coriolis force by calculating the phase difference between two ARROWs. The experimental results show that a flow rate sensitivity of 8.04 deg/(µl/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.

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li, zhipei; Gao, Ran; Xin, Xiangjun; Zhang, Han; Chang, Huan; Guo, Dong; et al. (2022): Fiber optofluidic Coriolis flowmeter based on dual-antiresonant reflecting optical waveguide. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.6034301.v2
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AUTHORS (10)

zhipei li
Ran Gao
Xiangjun Xin
Han Zhang
Huan Chang
Dong Guo
Fu Wang
Sitong Zhou
Chao Yu
Xinyu Liu

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