一种利用啁啾光栅反射滤波的光纤光栅传感解调方法  

A Demodulation Method Based on Chirp Graing Reflactive Filter in Fiber Bragg Grating Sensing System

作　　者：刘波[1] 童峥嵘[1] 曾剑[1] 董孝义[1] 开桂云[1] 

机构地区：[1]南开大学现代光学所,天津300071

出　　处：《光子学报》2004年第1期57-60,共4页Acta Photonica Sinica

基　　金：国家自然科学基金 (6 0 0 770 12 );天津市科委重点基金(0 1380 0 5 11);国家 86 3计划基金 (2 0 0 2AA313110 )项目

摘　　要：利用啁啾光纤光栅结合长周期光纤光栅边沿线性滤波技术 ,提出了一种新颖的光纤光栅传感解调方法 ,并实现了在传感波长变化 5nm范围内的波长解调 采用了全光纤结构 ,无需机械部件调谐 。A novel method of the demodulation of fiber Bragg grating sensing system based on chirp grating and LPG edge filter linear demodulation techique is presented. Using this method based intensity,the demodulation of fiber sensing system with a bandwidth of 5 nm is achieved.It is an all-filber design, quasistatic and dynamic operation, and potential high-speed demodulation system.

关 键 词：传感解调 啁啾光栅 边沿滤波 

分 类 号：TN247[电子电信—物理电子学]