Surface-Plasmon-Resonance-Based Optical-Fiber Micro-Displacement Sensor with Temperature Compensation
Abstract
:1. Introduction
2. Sensor Structure Design and Sensing Principle
2.1. Sensor Structure
2.2. Propagation Characteristics of the Light Beam in the GI-MMF
2.3. Temperature Characteristics of the PDMS and Water
2.4. Spectrum Simulation
3. Experimental Preparation
3.1. Fabrication of the Micro-Displacement Sensor
3.2. Experimental Set-Up
4. Results and Discussion
4.1. Displacement Experiment
4.2. Temperature Experiment
4.3. Temperature Compensation by Means of the Sensing Matrix
4.4. Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Sensor Type | Sensitivity | Range | Resolution |
---|---|---|---|
FBG [2] | 0.55 nm/mm | 0–0.5 mm | 36 μm |
LPFG [3] | 0.22 nm/μm | 0–140 μm | 90 nm |
OFMI [4] | −0.1 nm/μm | 0–30 μm | 0.2 μm |
OFMZI [5] | −1.533 nm/μm | 0–80 μm | 13 nm |
SMS structure [7] | 5.89 pm/μm | 0–600 μm | 3.4 μm |
Otto-SPR structure [15] | 31.45 nm/nm | 0–10 nm | 0.6 pm |
This paper | 4.24 nm/μm | 0–25 μm | 5 nm |
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Wei, Y.; Wu, P.; Zhu, Z.; Liu, L.; Liu, C.; Hu, J.; Wang, S.; Zhang, Y. Surface-Plasmon-Resonance-Based Optical-Fiber Micro-Displacement Sensor with Temperature Compensation. Sensors 2018, 18, 3210. https://doi.org/10.3390/s18103210
Wei Y, Wu P, Zhu Z, Liu L, Liu C, Hu J, Wang S, Zhang Y. Surface-Plasmon-Resonance-Based Optical-Fiber Micro-Displacement Sensor with Temperature Compensation. Sensors. 2018; 18(10):3210. https://doi.org/10.3390/s18103210
Chicago/Turabian StyleWei, Yong, Ping Wu, Zongda Zhu, Lu Liu, Chunlan Liu, Jiangxi Hu, Shifa Wang, and Yonghui Zhang. 2018. "Surface-Plasmon-Resonance-Based Optical-Fiber Micro-Displacement Sensor with Temperature Compensation" Sensors 18, no. 10: 3210. https://doi.org/10.3390/s18103210