摘要
阐述了基于可调谐滤波器(TOF)对光纤光栅(FBG)静态波长和动态波长同时解调技术的研究。将FBG粘贴于悬臂梁上,在其自由端通过砝码和激振器同时给FBG施加静应变和动应变,检测FBG静态波长和动态波长的变化。初步实验表明:准静态波长检测分辨率为1.6pm,动态波长检测分辨率为0.007pm/Hz。
We report a fiber Bragg grating (FBG) interrogation technique for the measurement of static and dynamic wavelength shift simultaneously based a tunable optical filter (TOF). The sensing FBG was surface bonded to a cantilever, and static and dynamic strains were applied to the FBG at the same time by bring static and dynamic force to the free end by a weight and exciter. Initial experiments demonstrated detection resolution of 1.6 pm and ∼ 0.007 pm/√Hz for static and dynamic wavelength shift measurement respectively.
出处
《光电子．激光》
EI
CAS
CSCD
北大核心
2005年第6期698-701,共4页
Journal of Optoelectronics·Laser
基金
国家"973"重大基础研究资助项目(513601ZT2)
