Acta Photonica Sinica, Volume. 50, Issue 1, 95(2021)
Temperature and Strain Sensor Based on Fiber Optic Overcoupler Structure
Figures & Tables(8)
Fig. 2. Transmission spectrum of optical fiber overcoupler with different taper length
Fig. 3. Transmission spectrum of 22500 μm fiber overcoupler with different temperature
Fig. 4. The fitting curve of wavelength and light intensity with temperature
Fig. 5. Transmission spectrum of optical fiber overcoupler under strain variation
Fig. 6. The fitting curve of wavelength and light intensity with strain
Table 1. Experimental parameters of optical fiber overcoupler
View tableView in ArticleTable 1. Experimental parameters of optical fiber overcoupler
Parameter Value Parameter Value Split ratio 1 13.00% Split ratio 2 48.00% Taper speed 1 1 850 μm/s Taper speed 2 700 μm/s Hydrogen flow 1 66.00% Hydrogen flow 2 50.00% Cycle 60 Delay 0 s Fire position 1 22 000~27 000 μm Fire position 2 23 000~25 000 μm
Table 2. The amount of wavelength drifting with temperature
View tableView in ArticleTable 2. The amount of wavelength drifting with temperature
Temperature
Wavelength
dip1 dip2 34°C 1 306.65 nm 1 295.60 nm 40°C 1 307.60 nm 1 296.55 nm
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Shengxu JIANG, Chunyu LIU, Shuo LENG, Xiaopeng HAN, Jiuru YANG. Temperature and Strain Sensor Based on Fiber Optic Overcoupler Structure[J]. Acta Photonica Sinica, 2021, 50(1): 95
Paper Information
Category: Fiber Optics and Optical Communications
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Published Online: Mar. 12, 2021
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