Force sensitivity of regenerated fiber Bragg gratings in the temperature range from room temperature to 400°C

Force sensitivity of regenerated fiber Bragg gratings in the temperature range from room temperature to 400°C
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再生光纤布拉格光栅在室温至400℃温度范围内的力灵敏度

DOI:
10.1117/12.2539376
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
J. Roths
J. Roths
中科院分区:
--
文献类型:
--
作者:
M. Lindner;D. Bernard;M. Jakobi;A. W. Koch;J. Roths

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首次在400°C的温度范围内实验测定了smf 28光纤中再生光纤布拉格光栅(RFBG)的力灵敏度随温度的变化关系。力灵敏度随温度的升高呈线性下降。RFBG显示出对所施加的力的纯弹性响应,并且在测量期间没有发生波长漂移。这表明基于RFBG的传感器适合在高达400°C的温度下进行力监测。
The temperature dependence of the force sensitivity of a regenerated fiber Bragg grating (RFBG) in a smf28 fiber was experimentally determined up to temperatures of 400°C for the first time. The force sensitivity was found to decline linearly with increasing temperature. The RFBG showed a pure elastic response to the applied forces and no wavelength drift occurred during the measurement. This demonstrates that RFBG based sensors are suited for force monitoring at temperatures up to 400°C.
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