High-Temperature Sensor Based on Fabry-Perot Interferometer in Microfiber Tip
AbstractA miniaturized tip Fabry-Perot interferometer (tip-FPI) is proposed for high-temperature sensing. It is simply fabricated for the first time by splicing a short length of microfiber (MF) to the cleaved end of a standard single mode fiber (SMF) with precise control of the relative cross section position. Such a MF acts as a Fabry-Perot (FP) cavity and serves as a tip sensor. A change in temperature modifies the length and refractive index of the FP cavity, and then a corresponding change in the reflected interference spectrum can be observed. High temperatures of up to 1000 °C are measured in the experiments, and a high sensitivity of 13.6 pm/°C is achieved. This compact sensor, with tip diameter and length both of tens of microns, is suitable for localized detection, especially in harsh environments. View Full-Text
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Chen, Z.; Xiong, S.; Gao, S.; Zhang, H.; Wan, L.; Huang, X.; Huang, B.; Feng, Y.; Liu, W.; Li, Z. High-Temperature Sensor Based on Fabry-Perot Interferometer in Microfiber Tip. Sensors 2018, 18, 202.
Chen Z, Xiong S, Gao S, Zhang H, Wan L, Huang X, Huang B, Feng Y, Liu W, Li Z. High-Temperature Sensor Based on Fabry-Perot Interferometer in Microfiber Tip. Sensors. 2018; 18(1):202.Chicago/Turabian Style
Chen, Zhenshi; Xiong, Songsong; Gao, Shecheng; Zhang, Hui; Wan, Lei; Huang, Xincheng; Huang, Bingsen; Feng, Yuanhua; Liu, Weiping; Li, Zhaohui. 2018. "High-Temperature Sensor Based on Fabry-Perot Interferometer in Microfiber Tip." Sensors 18, no. 1: 202.
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