Laser & Optoelectronics Progress, Volume. 55, Issue 4, 040606(2018)
Micro-Displacement Optical Fiber Sensor Based on Surface Plasmon Resonance
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Fig. 5. (a) SPR transmission spectra under different displacements by simulation; (b) resonance wavelength as a function of displacement
Fig. 6. (a) Image of the fiber sensing probe; (b) sketch diagram of the experiment system
Fig. 7. (a) SPR transmission spectra under different displacements by experiment; (b) resonance wavelength as the function of displacement
Fig. 8. (a)~(c) Spectra change under different fiber polishing angles β and different refractive indexes of liquid; (d) comparison between simulated (S) and experimental (E) results of resonance wavelength
Fig. 9. Resonance wavelength as a function of displacement when β=12° and n=1.350
Table 1. Performance comparison of optical fiber micro-displacement sensors
View tableTable 1. Performance comparison of optical fiber micro-displacement sensors
Sensor type Sensitivity Travel Resolution FBG[ 1 ]20.11 pm·mm-1 0-100 mm 1.00 mm LPFG[ 4 ]0.22 nm·μm-1 0-140 μm 0.09 μm SagnacFI[ 2 ]0.26%·μm-1 0-380 μm 0.45 μm M-Z FI[ 3 ]-1.89 dB·μm-1 0-13 μm 0.05 μm Modal FI[ 11 ]0.10 nm·μm-1 0-30 μm 0.20 μm Fiber bundle[ 12 ]60.00 mV·μm-1 0-12 mm 15.00 nm Otto-type SPR[ 9 ]31.45 nm·nm-1 0-10 nm 0.60 pm Proposed sensor 10.32 nm·μm-1 0-25 μm 2.00 nm
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Yong Wei, Yudong Su, Chunlan Liu, Lu Liu, Zongda Zhu, Yonghui Zhang. Micro-Displacement Optical Fiber Sensor Based on Surface Plasmon Resonance[J]. Laser & Optoelectronics Progress, 2018, 55(4): 040606
Paper Information
Category: Fiber Optics and Optical Communications
Received: Oct. 17, 2017
Accepted: --
Published Online: Sep. 11, 2018
The Author Email: Yonghui Zhang ( 68165125@qq.com)
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