Journal of Applied Optics, Volume. 42, Issue 5, 941(2021)
High spatial resolution distributed optical fiber temperature measurement system for ice cover profile
Figures & Tables(10)
Fig. 3. Experimental platform for testing spatial resolution improvement
Fig. 4. Experimental platform for freezing and melting of river ice cover
Fig. 5. Temperature response of fiber rings with different lengths
Table 1. Test repeatability of spatial resolution
View tableView in ArticleTable 1. Test repeatability of spatial resolution
温度/℃ 空间分辨率/m 10 1.22 5 1.26 0 1.27 −5 1.26 −10 1.31 −15 1.38 −20 1.36 −25 1.25 −30 1.30
Table 2. Error of temperature before and after correction and actual temperature ℃
View tableView in ArticleTable 2. Error of temperature before and after correction and actual temperature ℃
实际 温度 校正前 温度 校正后 温度 校正前 误差 校正后 误差 15.32 18.77 15.04 3.45 0.28 9.89 16.17 9.73 6.28 0.16 4.91 12.34 5.12 7.43 0.21 0.25 8.54 −0.23 8.29 0.48 −4.76 5.98 −5.20 10.74 0.44 −9.70 3.09 −10.00 12.79 0.30 −14.87 0.56 −15.26 15.43 0.39 −19.88 −2.90 −19.87 16.98 0.01 −24.90 −6.17 −25.15 18.73 0.25 −29.96 −9.21 −29.79 20.75 0.17
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Dingrui WANG, Xiao DENG, Jun ZHANG, Xinshuo LU, Chao DU, Li ZHANG, Lin ZHANG. High spatial resolution distributed optical fiber temperature measurement system for ice cover profile[J]. Journal of Applied Optics, 2021, 42(5): 941
Paper Information
Category: FIBER SENSING AND OPTICAL COMMUNICATION
Received: Mar. 5, 2021
Accepted: --
Published Online: Oct. 26, 2021
The Author Email: DENG Xiao (dengxiao@tyut.edu.cn)
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