摘要
介绍了光纤光栅温度应变传感器的基本原理,对当前常用的实验方法进行了分类。简要介绍了参考光纤光栅法、双波长叠栅法、光纤Bragg光栅(FBG)与长周期光栅相结合的方法、不同包层直径光栅对法、纤芯掺杂法以及光纤光栅F-P腔法等方法的机理,并对每一种方案进行了详细的分析,讨论了其优缺点和改进方向。
Basic principle of temperature and strain fiber grating sensors are introduced.Current common experimental methods are classified.Reference fiber grating method,double wavelength grid method,combination of fiber Bragg grating(FBG)and long period grating method,grating to different cladding diameter method,fiber core doped method and fiber grating F-P cavity method are briefly introduced,each scheme is analyzed in detail,the advantages and disadvantages and improvement direction are discussed.
出处
《传感器与微系统》
CSCD
北大核心
2013年第9期1-4,15,共5页
Transducer and Microsystem Technologies
关键词
光纤光栅
温度
应变
区分测量
交叉敏感
fiber gratings
temperature
strain
distinguish between measurements
cross sensitivity