Sensing characteristics of the F-P cavity on the tip of a microstructured fiber

被引：0
|
作者：
Xue, Pingsheng [1 ,2 ,3 ]
Zhang, Yu [2 ]
Xu, Tianshuai [2 ]
Liu, Qiang [1 ,2 ,3 ]
机构：
[1] Northeastern Univ, Coll Informat Sci & Engn, Shenyang 110819, Peoples R China
[2] Northeastern Univ Qinhuangdao, Sch Control Engn, Qinhuangdao 066004, Peoples R China
[3] Hebei Key Lab Micronano Precis Opt Sensing & Measu, Qinhuangdao 066004, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2024年 / 82卷
基金：
中国国家自然科学基金;
关键词：
Fabry -Perot interferometer; Microstructured optical fiber; Fiber sensor; Probe;
D O I：
10.1016/j.yofte.2023.103647
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A Fabry-Perot interferometer on the tip of a microstructured fiber and its sensing application was demonstrated. The microstructured side hole eccentric core fiber was fabricated using the drilling hole method. The fiber end face was polished to 45(degrees) which could reflect the light transverse to the fiber, utilizing the side wall of the air hole as the reflection surface. Sensing abilities of the interferometer were investigated in the experiment. It can work as a probe for liquid RI sensing by simply plunging the fiber tip into the solution being tested, in addition, it can become sensors for different parameters by filling functional materials into the air hole. An example of filling UV curable adhesive into the fiber to be a temperature sensor was demonstrated in the experiment. The sensing structure on the fiber tip shows the advantages of high linearity, easy fabrication and good reproducibility, as a sensor it is also convenient to operate.
引用
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页数：5
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