倾斜光纤光栅温度传感透射光谱研究  

Research on transmission power spectrum of tilted fiber Bragg grating temperature sensing

作　　者：高宇飞[1] 刘超[1] 张勇[1] 

机构地区：[1]东北石油大学电子科学学院,黑龙江大庆163318

出　　处：《光学技术》2014年第4期327-330,共4页Optical Technique

基　　金：国家自然科学基金资助项目(511010275)

摘　　要：利用耦合模原理,研究了倾斜光纤光栅的温度传感原理,分析了基模及高阶模透射谱的温度特性,仿真模拟了基模谐振波长和高阶模谐振波长的温度漂移特性,研究了倾斜角度对谐振波长的影响。结果表明:各个模式的谐振波长均随温度线性增长;倾斜角度的增加,中心波长不漂移,透射带宽变窄。其结果对倾斜Bragg光纤光栅的生产和应用具有一定的指导作用。Based on mode coupling theory,tilted fiber Bragg grating temperature sensing principle and the characteristics of transmission spectrum of fundamental modes and high-modes are proposed.The temperature shift of fundamental modes resonance wavelength and high-order modes resonance wavelength is investigated by means of simulation method.The tilted angle on the effect of resonance wavelength is discussed.The results show that the different resonance wavelengths are linealy increased with surrounding temperature.The center wavelength of transmission spectrum is non-drift with the increase of tilted angle,and the width of transmission spectrum decreases with the increase of tilted angle.The result has a certain guiding function to the application of the tilted fiber Bragg grating.

关 键 词：倾斜光纤光栅 透射谱 温度传感 

分 类 号：TN253[电子电信—物理电子学]