CHEN Lu, ZHOU Wang-min, FAN Fan, et al. Research on refraction average change of dual-wavelength FBG[J]. 2010, 29(10): 31-33+36. DOI: 10.13873/j.1000-97872010.10.009.
双波长FBG折射率变化平均值的研究
摘要
光纤Bragg光栅(FBG)是发展最为迅速的光测量器件。为解决光纤光栅传感器温度应变交叉敏感的问题
使用双波长FBG替代传统FBG是实用性较好的方案之一。通过数值计算双波长FBG的反射谱
着重分析了双波长FBG的折射率变化平均值对中心波长及其反射率的影响。
Abstract
Fiber Bragg grating(FBG)is the fastest growing optical measuring device.For the purpose of solving the issue of temperature-strain cross-sensitivity
dual-wavelength FBG is used instead of traditional FBG.Through the numerical calculation of the dual-wavelength FBG reflection spectrum
the influence of refraction average change of dual-wavelength FBG on centre wavelength and the reflectivity is analyzed.