At the same time, the characteristics of the LPG temperature sensing about different cladding calorescence coefficient or grating period are showed.
同时在LPG温度传感方面，讨论了不同包层材料热光系数或者不同光栅周期影响下的特性。
2
By analyzed the effects of fiber's spring, cycle flex, calorescence and the heat expand, the strain sensitivity and temperature sensitivity of FBG are obtained.