Axial Strain Sensor Based on Microfiber Couplers Operating at the Dispersion Turning Point

doi:10.1109/jsen.2022.3143696

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	Axial Strain Sensor Based on Microfiber Couplers Operating at the Dispersion Turning Point
	J. J. Wen; X. Y. Yan; X. Gao; K. W. Li and J. J. Wang
	2022
发表期刊	Ieee Sensors Journal
ISSN	1530-437X
卷号	22 期号:5 页码:4090-4095
摘要	A novel axial strain sensor based on an optical microfiber coupler (OMC) operating at the dispersion turning point (DTP) was designed to realize high-sensitivity measurements of axial strain. First, we explain the measurement principle of axial strain sensors based on microfiber couplers. Then, we calculate the measurements, with the theoretical calculations showing that the sensor has high sensitivity when the effective refractive index (ERI) difference between the odd and even modes in the coupling region of the OMC is equal to zero. Finally, we carried out axial tensile experiments on the OMC. The results show that the OMC has the highest axial strain sensitivity when it operates at the DTP. The maximum sensitivity is 166.9 pm/mu epsilon, with a linear range of 0-400 mu epsilon. The sensor is highly sensitive to axial strains and has a simple structure. It has broad application prospects in the measurement of mechanical quantities such as strain, acceleration and vibration.
DOI	10.1109/jsen.2022.3143696
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收录类别	sci
语种	英语
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66433
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	J. J. Wen,X. Y. Yan,X. Gao,et al. Axial Strain Sensor Based on Microfiber Couplers Operating at the Dispersion Turning Point[J]. Ieee Sensors Journal,2022,22(5):4090-4095.
APA	J. J. Wen,X. Y. Yan,X. Gao,&K. W. Li and J. J. Wang.(2022).Axial Strain Sensor Based on Microfiber Couplers Operating at the Dispersion Turning Point.Ieee Sensors Journal,22(5),4090-4095.
MLA	J. J. Wen,et al."Axial Strain Sensor Based on Microfiber Couplers Operating at the Dispersion Turning Point".Ieee Sensors Journal 22.5(2022):4090-4095.

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