光学精密工程2024，Vol.32Issue(24)：3545-3553,9.DOI:10.37188/OPE.20243224.3545
椭球状非本征法布里-珀罗光纤探针的传感特性
Sensing properties of ellipsoidal extrinsic Fabry-Perot fiber probe
摘要
Abstract
For the detection of physical parameters in miniature complex environments,especially involv-ing refractive index and temperature detection to meet the requirements of high sensitivity,low cost,anti-electromagnetic interference,etc.In this paper,we proposed an ellipsoidal Fabry-Perot(F-P)cavity fiber optic probe sensor with simple preparation and novel structure.Firstly,a Single Mode Fiber(SMF)with a flat cut end face was inserted into a ceramic ferrule,and UV adhesive and Graphene Oxide(GO)were sequentially fixed on the end face of the SMF to form an ellipsoidal dual F-P cavity fiber probe sensor with an end cap structure.Then the refractive index(RI)and temperature characteristics of the sensor were the-oretically analyzed and experimentally investigated.The experimental results show that the interferometric spectrum of this sensor is red-shifted with the increase of RI in the range of 1.353 2 to 1.391 2,and the RI sensitivity is 119.1 nm/RIU,and the linear correlation coefficient between RI and wavelength shift is 0.99;in the range of 20～60℃,the temperature sensitivity of the sensor is 116 pm/℃.The probe sensor designed in this paper has the advantages of simple structure,strong anti-interference ability,low produc-tion cost,stable output spectrum and small detection area.Meanwhile,the unique physicochemical prop-erties of GO make it have good application prospects in the field of biological detection of various antigen molecules,bacteria and viruses.关键词
光纤传感器/法布里-珀罗腔/氧化石墨烯/折射率/温度Key words
fiber optic sensors/fabry-perot cavity/graphene oxide/refractive index/temperature分类
数理科学引用本文复制引用
李恭烨,石胜辉,罗彬彬,邹雪,陈建,赵明富..椭球状非本征法布里-珀罗光纤探针的传感特性[J].光学精密工程,2024,32(24):3545-3553,9.基金项目
重庆市自然科学基金创新发展联合基金(No.CSTB2023NSCQ-LZX0008) （No.CSTB2023NSCQ-LZX0008）
重庆英才青年拔尖人才计划(No.CSTC2021YCJH-BGZXM0128) （No.CSTC2021YCJH-BGZXM0128）
重庆市教育委员会科学技术研究项目(No.KJZD-K202201106) （No.KJZD-K202201106）
重庆理工大大学创新团队(No.2023TDZ002) （No.2023TDZ002）
重庆理工大学研究生创新计划项目(No.gzlcx20243132) （No.gzlcx20243132）
