双周期光纤光栅传感器原理及工程应用

Principle and engineering application of dual period fiber grating sensor

对光纤布拉格光栅和长周期光纤光栅组成的复合型光纤光栅传感器的原理和特性进行了简要的介绍,并对该种传感器的实际工程应用作了说明,实践证明应用该传感器的测量结果与理论计算结果吻合较好。

This paper briefly introduced the principle and characteristics of compound fiber grating sensor composed by optical fiber Prague grating and long period fiber grating, and described the actual engineering application of this sensor, the practice had proved that the measurement results applied of the sensor were in good agreement with the theoretical calculation results.