Laser & Optoelectronics Progress, Volume. 60, Issue 5, 0506004(2023)
Influence of Bending Loss to Demodulation on Distributed Fiber Raman Temperature Measurement
Figures & Tables(6)
Fig. 3. Temperature demodulation results of the single-channel algorithm. (a) Point A; (b) point B; (c) point C; (d) point D; (e) point E
Fig. 4. Temperature demodulation results of the dual-channel algorithm. (a) Point A; (b) point B; (c) point C; (d) point D; (e) point E
Table 1. Temperature demodulation error of two algorithms
View tableTable 1. Temperature demodulation error of two algorithms
Temperature /℃ Single channel Dual channel A B C D E A B C D E 40 0.00 0.00 0.00 0.00 0.10 0.00 0.00 0.01 0.02 0.03 50 0.39 0.52 0.65 0.33 0.42 0.08 0.00 1.23 1.42 0.78 60 0.41 0.04 0.24 0.17 0.14 0.11 0.61 1.06 2.15 1.16 70 0.14 0.05 0.35 0.17 0.29 0.36 0.73 0.59 1.77 1.52 80 0.16 0.00 0.89 0.19 0.85 0.37 0.05 0.97 2.19 2.87
Table 2. Temperature demodulation standard deviation of the two algorithms
View tableTable 2. Temperature demodulation standard deviation of the two algorithms
Temperature /℃ Single channel Dual channel A B C D E A B C D E 40 0.42 0.65 0.75 0.92 1.31 0.64 1.05 1.42 1.96 2.67 50 0.37 0.64 0.68 0.85 1.16 0.55 0.93 1.19 1.62 2.15 60 0.41 0.56 0.78 0.96 1.22 0.60 0.97 1.32 1.71 2.49 70 0.42 0.59 0.79 1.06 1.30 0.62 1.05 1.46 2.16 2.56 80 0.41 0.65 0.84 0.99 1.34 0.73 1.21 1.57 2.01 2.72
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Wenbo Shen, Dongsheng Zhang. Influence of Bending Loss to Demodulation on Distributed Fiber Raman Temperature Measurement[J]. Laser & Optoelectronics Progress, 2023, 60(5): 0506004
Paper Information
Category: Fiber Optics and Optical Communications
Received: Jan. 6, 2022
Accepted: Mar. 17, 2022
Published Online: Mar. 6, 2023
The Author Email: Dongsheng Zhang (zhangdsem@qq.com)
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