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

Abstract

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.

Publication DOI: https://doi.org/10.1109/JPHOT.2017.2732957
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Additional Information: ©2017 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information.
Uncontrolled Keywords: Fabry-Perot interference,fiber fusion,high sensitivity,no temperature crosstalk.,Optical fiber,refractive index sensing,Atomic and Molecular Physics, and Optics,Electrical and Electronic Engineering
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://ieeexpl ... ocument/7995042 (Publisher URL)
PURE Output Type: Article
Published Date: 2017-10-01
Published Online Date: 2017-07-28
Accepted Date: 2017-07-24
Authors: Chen, Pengcheng
Shu, Xuewen
Cao, Haoran

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