Characterization of metallic-packaging fiber Bragg grating sensors with coated and bare fibers

Zhang Yumin; Meng Fanyong; Song Yanming; Dong Mingli; Zhu Lianqing

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Characterization of metallic-packaging fiber Bragg grating sensors with coated and bare fibers

机译：涂层和裸纤维金属包装纤维布拉格光栅传感器的表征

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Metallic packaging of fiber Bragg grating (FBG) sensors is developed using the ultrasonic welding method. Both polyimide-coated fiber and bare fiber could be bonded well to aluminum alloy substrate using Sn-Bi alloy. Two kinds of metal-packaged FBG sensors, coated FBG and bare FBG, are characterized for studying the thermal sensitivity, strain response, short-term creep, and temporal temperature response. Both FBG sensors showed increasing sensitivity with temperature from -40 degrees C to 80 degrees C. The metal-packaged coated FBG sensor displayed relative strengths in strain stability, repeatability, creep, spectra shape, and temperature response when compared with the bare one. Moreover, the boundaries between optical fiber and metal alloy are intact, and cross-sectional scanning electron microscope micrographs clearly illustrated that metal alloy coated well with the coated and bare fiber. (C) 2019 Optical Society of America

机译：使用超声波焊接方法开发光纤布拉格光栅（FBG）传感器的金属包装。可以使用Sn-Bi合金粘合到铝合金基质中的聚酰亚胺涂覆的纤维和裸纤维。两种金属包装的FBG传感器，涂覆的FBG和裸FBG，其特征在于研究热敏性，应变响应，短期蠕变和时间温度响应。两个FBG传感器显示出在-40摄氏度至80℃的温度下增加敏感性。金属封装涂覆的FBG传感器在与裸露上方相比时显示出应变稳定性，可重复性，蠕变，光谱形状和温度响应的相对强度。此外，光纤和金属合金之间的边界是完整的，并且横截面扫描电子显微镜显微照片清楚地示出了与涂覆和裸纤维孔的金属合金涂覆。（c）2019年光学学会

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《Applied optics》 |2019年第6期|共7页
作者
Zhang Yumin; Meng Fanyong; Song Yanming; Dong Mingli; Zhu Lianqing;
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作者单位

Beijing Informat Sci &

Technol Univ Beijing Lab Opt Fiber Sensing &

Syst Beijing 100016 Peoples R China;

Beijing Informat Sci &

Technol Univ Beijing Lab Opt Fiber Sensing &

Syst Beijing 100016 Peoples R China;

Beijing Informat Sci &

Technol Univ Beijing Lab Opt Fiber Sensing &

Syst Beijing 100016 Peoples R China;

Beijing Informat Sci &

Technol Univ Beijing Key Lab Optoelect Measurement Technol Beijing 100192 Peoples R China;

Beijing Informat Sci &

Technol Univ Beijing Lab Opt Fiber Sensing &

Syst Beijing 100016 Peoples R China;

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Characterization of metallic-packaging fiber Bragg grating sensors with coated and bare fibers

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