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提出了一种简单的铝管或铝板封装(AP)法来增强光纤Bragg光栅(FBG)的温度灵敏度,实验测得AP光纤光栅的Bragg反射波长(1550nm附近)的温度灵敏度为0.038nm/C,是裸光纤光栅温度灵敏度的3倍之多,相应的线性温度范围在0～120℃之间。
A simple aluminum tube or aluminum plate package (AP) method is proposed to enhance the temperature sensitivity of fiber Bragg grating (FBG). The experimental results show that the temperature sensitivity of Bragg reflection wavelength (near 1550 nm) of AP fiber grating is 0.038 nm / Bare fiber grating temperature sensitivity is three times as much, the corresponding linear temperature range of 0 ~ 120 ℃.