Simultaneous Measurement of Hydrogen Concentration and Temperature Based on Fiber Loop Mirror Combined With PCF
IEEE Sensors Journal(2018)
摘要
Simultaneous measurement of hydrogen concentration and temperature with high sensitivity and high precision was realized by integrating a photonic crystal fiber (PCF) modal interferometer and a high-birefringence fiber loop mirror (HBFLM). The PCF was coated with sol-gel Pd/WO3 coating, whose refractive index and volume would be changed along with the variation of surrounding hydrogen concentratio...
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关键词
Hydrogen,Temperature measurement,Temperature sensors,Optical fiber sensors,Sensitivity,Interference
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