C-shape microfiber taper interferometer for simultaneous measurement of curvature and temperature

C-shape microfiber taper interferometer for simultaneous measurement of curvature and temperature
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C型微纤维锥度干涉仪,可同时测量曲率和温度

DOI:
10.1016/j.ijleo.2017.07.014
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发表时间:
2017-09
期刊:
影响因子:
3.1
通讯作者:
Xianping Wang
Xianping Wang
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Haimei Luo;Lei Su;Jinshuai Zhang;Wen Yuan;Sheng Liu;Yifan Wang;Changjing Wang;Xianping Wang

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提出了一种基于C型光纤锥度干涉仪的曲率和温度同时测量的紧凑型传感器。数值预测和实验证明了光纤锥形干涉仪参数对曲率灵敏度的依赖关系。利用灵敏度系数矩阵,可以实现干涉条纹的两个倾角随曲率或温度的变化而移动,从而实现曲率和温度的同时测量。制作了两种不同锥度的干涉仪。对于锥腰直径为5.78 μm的传感器1,曲率灵敏度高达46.43 nm/m−1,温度灵敏度为0.0566 nm/°C。对于锥腰直径为3.72 μm的传感器2,曲率灵敏度为32.1 nm/m−1,温度灵敏度为0.034 nm/°C。
A compact sensor for simultaneous measurement of curvature and temperature based on a C-shape microfiber taper interferometer is presented. The dependence of curvature sensitivity on fiber taper interferometer parameters are numerically predicted and experimentally demonstrated. Two dips of the interference fringe shift with the variation of curvature or temperature, and simultaneous measurement of curvature and temperature can be realized by means of a sensitivity coefficient matrix. Two interferometers with different tapering profiles are fabricated. For sensor 1 with a taper waist diameter of 5.78 μm, the curvature sensitivity is as high as 46.43 nm/m−1, and the temperature sensitivity is 0.0566 nm/°C. For sensor 2 with a taper waist diameter of 3.72 μm, the curvature sensitivity is 32.1 nm/m−1, and the temperature sensitivity is 0.034 nm/°C.
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发表时间: 1984-10
影响因子: 4.7
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