Temperature sensor based on a single-mode tapered optical fiber |
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| Authors: | ZHU Shan XING Jie-wen PANG Fu-fei WANG Ting-yun |
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| Institution: | Key Laboratory of Specialty Fiber Optics and Optical Access Networks, School of Communication and Information Engineering, Shanghai University, Shanghai 200072, P. R. China |
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| Abstract: | A temperature sensor is demonstrated and fabricated by coating the single-mode tapered optical fiber with temperature-sensitive
silicone rubber. It works on the change of the evanescent fields in the tapered optical fiber. Small changes in the refractive
index of coating film greatly influence the power of evanescent fields, which modulate the transmission optical power in the
waist region. The range of temperature measured is from −20 °C to 70 °C. The results show that the temperature sensor has
high temperature sensitivity (0.012 mW/°C) and good repeatability. |
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| Keywords: | temperature sensor tapered optical fiber silicone rubber |
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