Acta Optica Sinica, Volume. 40, Issue 12, 1206002(2020)
Research on an Optical Fiber Linear Displacement Sensor Based on Bending Loss for Use over Large Range
Figures & Tables(6)
Fig. 1. Schematic of optical fiber displacement sensor. (a) Sensor structure; (b) gear structure
Fig. 3. Physical drawing of sensor and dimension of gear. (a) Encapsulated sensor; (b) gear size
Fig. 4. Relationships between displacements and optical losses of calibration experiments. (a) Test 1; (b) test 2; (3) test 3
Table 1. Performance test data of sensor
View tableTable 1. Performance test data of sensor
Displacement / mm Condition Macro-bending loss of optical fiber /dB Standard deviation /dB 1 2 3 4 5 6 7 8 9 10 25 Elongation Shrinkage 3.89 3.91 3.87 3.88 3.92 3.90 3.86 3.87 3.85 3.88 0.0210 3.55 3.59 3.60 3.61 3.61 3.58 3.57 3.59 3.57 3.56 0.0195 50 Elongation Shrinkage 8.17 8.19 8.20 8.18 8.19 8.21 8.16 8.17 8.22 8.19 0.0178 8.01 8.03 8.01 7.98 8.00 7.99 8.04 8.06 8.02 8.06 0.0261 75 Elongation Shrinkage 12.45 12.43 12.48 12.47 12.45 12.47 12.42 12.48 12.49 12.46 0.0214 11.71 11.72 11.76 11.78 11.77 11.73 11.72 11.74 11.77 11.79 0.0270 100 Elongation Shrinkage 16.64 16.66 16.68 16.65 16.69 16.62 16.63 16.67 16.62 16.63 0.0239 16.14 16.17 16.18 16.16 16.14 16.13 16.19 16.18 16.12 16.15 0.0224 125 Elongation Shrinkage 20.63 20.64 20.65 20.62 20.67 20.66 20.64 20.69 20.67 20.68 0.0216 21.38 21.39 21.36 21.35 21.34 21.33 21.37 21.35 21.36 21.34 0.0179 150 Elongation Shrinkage 24.89 24.92 24.91 24.90 24.93 24.91 24.88 24.87 24.94 24.91 0.0206 24.53 24.56 24.59 24.51 24.52 24.56 24.58 24.51 24.53 24.55 0.0269 175 Elongation Shrinkage 29.01 29.05 28.99 29.06 29.07 29.08 29.04 29.06 29.07 29.05 0.0268 29.54 29.56 29.53 29.58 29.57 29.56 29.53 29.51 29.53 29.55 0.0206 200 Elongation Shrinkage 33.28 33.24 33.26 33.27 33.21 33.25 33.28 33.24 33.28 33.23 0.0229 33.13 33.17 33.18 33.20 33.21 33.19 33.22 33.20 33.22 33.21 0.0261
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Yong Zheng, Wang Xiao, Zhengwei Zhu. Research on an Optical Fiber Linear Displacement Sensor Based on Bending Loss for Use over Large Range[J]. Acta Optica Sinica, 2020, 40(12): 1206002
Paper Information
Category: Fiber Optics and Optical Communications
Received: Dec. 6, 2019
Accepted: Mar. 16, 2020
Published Online: Jun. 3, 2020
The Author Email: Zhu Zhengwei (zqiao99@126.com)
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