A Smart Graded-index Multimode Fiber Based Sensor Unit for Multi-parameter Sensing Applications

Shuo Fang, Baoyong Li, Dawei Song, Jianzhong Zhang, Weimin Sun, Libo Yuan

Key Laboratory of In-Fiber Integrated Optics, Ministry of Education, Harbin 150001, China.

DOI: 10.4236/opj.2013.32B062                

Abstract

We demonstrate a smart optical fiber sensor unit to realize a multi-parameter sensing, including temperature, curvature and strain or displacement. The sensor unit is composed of a Bragg grating in graded-index multimode fiber and a Fizeau cavity.

Keywords

Fiber Optic Sensor; Fiber Bragg Grating; Fiber Fizeau Cavity

Conflicts of Interest

The authors declare no conflicts of interest.

References

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