F-P光纤传感器及光纤Bragg光栅传感器应用于光纤智能夹层的研究

Study on Extrinsic Fabry-perot Interferometer Sensor and Fiber Bragg Grating Sensor in the Application of Fiber Smart Layer

本文对嵌入F-P光纤传感器和Bragg光栅光纤传感器的光纤智能夹层进行了研究,实现了对应变的测量。通过对光纤智能夹层的理论分析和试验研究,分析了应变对传感系数的影响,研究了F-P光纤传感器检测的应变与所受的载荷及Bragg光栅传感器波长变化量与应变之间的关系。

This paper gives a numerical research on the smart layer ,which is based on the extrinsic Fabry-perot interferometer sensor and Fiber Bragg Grating sensor, measurement of strain is achieved. The characteristics of the smart layer are studied by theoretical assay and experiments, the effect of strain on sensing coefficient is analyzed, relationship of strain and load for F-P sensor and relationship of wavelength change and strain for FBG are researched. The experimental results show that the theoretical results are verified by the experiments.