光学精密工程2017，Vol.25Issue(6)：1433-1440,8.DOI:10.3788/OPE.20172506.1433
温度自补偿高灵敏度非本征光纤珐珀横向负载传感器
Transverse load sensor based on optical fiber extrinsic Fabry-Perot interferometer with high sensitivity and temperature self-compensation
摘要
Abstract
In order to improve the sensitivity of optical fiber EFPI sensors,a novel EFPI sensor structure was proposed,and its characteristics of temperature and transverse load were studied.Firstly,the structure and fabrication of the optical fiber EFPI sensor with its edge coated with palladium-gold were introduced.Then,the temperature sensing model of fiber optic EFPI coated with palladium-gold was established,and the relationship between change of cavity length and pressure was obtained in theoretical simulation of the sensor under different pressures by Solidworks,Hypermesh and finite element analysis software ANSYS.Finally,the comparison of temperature and transverse load characteristics between the traditional optical fiber EFPI and the palladium-gold coated optical fiber EFPI was implemented.Experimental results show that the temperature sensitivity of the palladium-gold coated optical fiber EFPI is 6.083 pm/℃ due to its characteristic of temperature self-compensation.Moreover,the detection sensitivity of transverse load can reach 40.83 m/g,which has been improved by 2.10 times compared with the one of the traditional optical fiber EFPI.The experimental results coincide with the theoretical analysis,providing theoretical and experimental evidences for the production of optical fiber EFPI with high sensitivity and temperature self-compensation practically.关键词
光纤传感器/光纤EFPI/镀钯金膜/横向负载/温度自补偿Key words
optical fiber sensor/optical fiber extrinsic Fabry-Perot interferometer/coated palladium-gold film/transverse load/temperature self-compensation分类
信息技术与安全科学引用本文复制引用
王彦,刘加萍,刘吉虹,赵凯,梁大开..温度自补偿高灵敏度非本征光纤珐珀横向负载传感器[J].光学精密工程,2017,25(6):1433-1440,8.基金项目
国家自然科学基金资助项目(No.51309001) （No.51309001）
安徽省教育厅自然科学基金重点项目(No.KJ2017A041) （No.KJ2017A041）
