Simultaneous Measurement of Strain and Temperature Distributions Using Optical Fibers with Different GeO2 and B2O3 Doping
Abstract
:1. Introduction
2. Sensing System
2.1. Basic Idea of Simultaneous Measurement Using Doped FBGs
2.2. Distributed Measurement Using an OFDR System
3. Materials and Methods
4. Results
4.1. Strain and Temperature Sensitivity
4.2. Simultaneous Measurement
5. Discussion
- Errors are due to measurement errors in , , and .
- The error amount for each error factor is the same value for all fibers.
- Each error occurs independently and follows a normal distribution.
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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F1 | F2 | F3 | F4 | |
---|---|---|---|---|
K_ [pm/] | 1.2350 | 1.2691 | 1.2968 | 1.3154 |
K_T [pm/°C] | 32.106 | 32.010 | 32.072 | 31.482 |
F1&F2 | F1&F3 | F1&F4 | F2&F3 | F2&F4 | F3&F4 | |
---|---|---|---|---|---|---|
Error of strain [] | 252.5 | 75.6 | 34.1 | 287.2 | 117.2 | 47.6 |
Error of temp. [°C] | 9.82 | 3.31 | 1.74 | 11.70 | 4.73 | 1.58 |
F1&F2&F3 | F1&F2&F4 | F1&F3&F4 | F2&F3&F4 | F1&F2&F3&F4 | |
---|---|---|---|---|---|
Error of strain [] | 73.7 | 28.4 | 36.2 | 103.2 | 31.1 |
Error of temp. [°C] | 3.24 | 1.52 | 1.82 | 4.31 | 1.64 |
[pm/] | [pm/°C] | [pm] |
---|---|---|
F1&F2 | F1&F3 | F1&F4 | F2&F3 | F2&F4 | F3&F4 | |
---|---|---|---|---|---|---|
Error of strain [] | 105.4 | 62.2 | 37.2 | 155.5 | 57.9 | 92.6 |
Error of temp. [°C] | 4.10 | 2.47 | 1.51 | 6.25 | 2.37 | 3.80 |
F1&F2 | F1&F3 | F1&F4 | F2&F3 | F2&F4 | F3&F4 | |
Error of strain [] | 33.7 | 30.6 | 21.2 | 312.4 | 33.5 | 33.3 |
Error of temp. [°C] | 1.41 | 1.41 | 0.89 | 12.60 | 1.42 | 1.34 |
F1&F2&F3 | F1&F2&F4 | F1&F3&F4 | F2&F3&F4 | F1&F2&F3&F4 | ||
Error of strain [] | 59.6 | 21.9 | 21.9 | 46.0 | 53.3 | |
Error of temp. [°C] | 2.34 | 0.86 | 1.12 | 1.88 | 2.09 |
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Hisada, S.; Kodakamine, U.; Wada, D.; Murayama, H.; Igawa, H. Simultaneous Measurement of Strain and Temperature Distributions Using Optical Fibers with Different GeO2 and B2O3 Doping. Sensors 2023, 23, 1156. https://doi.org/10.3390/s23031156
Hisada S, Kodakamine U, Wada D, Murayama H, Igawa H. Simultaneous Measurement of Strain and Temperature Distributions Using Optical Fibers with Different GeO2 and B2O3 Doping. Sensors. 2023; 23(3):1156. https://doi.org/10.3390/s23031156
Chicago/Turabian StyleHisada, Shinsaku, Utanori Kodakamine, Daichi Wada, Hideaki Murayama, and Hirotaka Igawa. 2023. "Simultaneous Measurement of Strain and Temperature Distributions Using Optical Fibers with Different GeO2 and B2O3 Doping" Sensors 23, no. 3: 1156. https://doi.org/10.3390/s23031156
APA StyleHisada, S., Kodakamine, U., Wada, D., Murayama, H., & Igawa, H. (2023). Simultaneous Measurement of Strain and Temperature Distributions Using Optical Fibers with Different GeO2 and B2O3 Doping. Sensors, 23(3), 1156. https://doi.org/10.3390/s23031156