Novel Compact and Low-Cost Ultraweak Fabry-Perot Interferometer as a Highly Sensitive Refractive Index Sensor

被引：20
作者：
Chen, Pengcheng
Shu, Xuewen [1 ]
Cao, Haoran
机构：
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2017年 / 9卷 / 05期
关键词：
Optical fiber; refractive index sensing; Fabry-Perot interference; high sensitivity; fiber fusion; no temperature crosstalk; PHOTONIC CRYSTAL FIBER; TIP SENSOR; MICHELSON INTERFEROMETER; TEMPERATURE-MEASUREMENT; MULTIMODE-INTERFERENCE; CAVITY;
D O I：
10.1109/JPHOT.2017.2732957
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 novel compact refractive index (RI) sensor based on an ultra-weak intrinsic fiber Fabry-Perot interferometer (FPI) is proposed and demonstrated, which is simply fabricated by splicing a tiny section of thin-core fiber to a single-mode fiber. Such an FPI exhibits an average RI sensitivity of 240dB/RIU over a wide RI range of 1.3326-1.4305, with a maximum sensitivity of 1110.7dB/RIU at the RI of 1.4305. In addition, the FPI can also achieve the simultaneous measurement of the RI and temperature.
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页数：10
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