Side-polished SMS based RI sensor employing macro-bending perfluorinated POF

Xuezhi Zhang; Boyue Yang; Junfeng Jiang; Kun Liu; Xiaojun Fan; Zhaozhu Liu; Min Peng; Guanlong Chen; Tiegen Liu

doi:10.29026/oea.2021.200041

Article navigation > Opto-Electronic Advances > 2021 Vol. 4 > No. 10 > 200041

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Zhang XZ, Yang BY, Jiang JF, Liu K, Fan XJ et al. Side-polished SMS based RI sensor employing macro-bending perfluorinated POF. Opto-Electron Adv 4, 200041 (2021). doi: 10.29026/oea.2021.200041

Citation:

Zhang XZ, Yang BY, Jiang JF, Liu K, Fan XJ et al. Side-polished SMS based RI sensor employing macro-bending perfluorinated POF. Opto-Electron Adv 4, 200041 (2021) . doi: 10.29026/oea.2021.200041

Original Article Open Access

Side-polished SMS based RI sensor employing macro-bending perfluorinated POF

1.
School of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China
2.
Tianjin Optical Fiber Sensing Engineering Center, Institute of Optical Fiber Sensing of Tianjin University, Tianjin 300072, China
3.
Key Laboratory of Opto-electronics Information Technology (Tianjin University), Ministry of Education, Tianjin 300072, China

More Information

^*Corresponding authors: JF Jiang, E-mail: jiangjfjxu@tju.edu.cn; TG Liu, E-mail: tgliu@tju.edu.cn

Received Date 27 July 2020

Accepted Date 02 October 2020

Available Online 25 October 2021

Published Date 25 October 2021

Abstract

Abstract

A refractive index (RI) sensor based on perfluorinated plastic optical fiber (PF-POF) is introduced in this paper. The PF-POF as multi-mode fiber was side-polished (SP) to form a macro-bending single-mode-multimode-single-mode (SMS) structure. Both ends of the sensor were closely connected to single-mode quartz optical fiber (SMF). The spectral characteristics of the sensor are measured, analyzed and discussed. The results show that when the length of PF-POF is 8 cm, the macro-bending radius is 3 cm, and the SP-depth is 20 μm. The intensity sensitivity reaches −219.504 dBm/RIU in the range of RI = 1.330 ~ 1.356. A reference is provided for the application of PF-POF in RI sensor in the future. The sensor is featured with low-cost, good flexibility and high efficiency.
- refractive index sensor /
- perfluoropolymer fiber /
- optical sensing /
- plastic optical fiber

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References

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