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超结构光纤光栅在自发布里渊散射测量中的应用

Application of Superstructure Fiber Bragg Gratings in Spontaneous Brillouin Scattering Measurement
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摘要 从理论上分析了超结构光纤光栅的滤波原理,将所研制的超结构光纤光栅滤波器应用于自发布里渊散射测量中,初步实现了自发布里渊散射信号与瑞利散射信号的有效分离及自发布里渊散射谱的测量,并给出了实验系统及实验结果,表明了该方案的可行性。 In view of filter principle of superstructure fiber bragg grating' theoretically analyzing, the superstructure fiber bragg grating filter has been used in the spectrum measurement of Brillouin scattering. The separation of spontaneous Brillouin scattering with Rayleigh scatering and the measurement of spontaneous Brillouin scatering in dispersion shifted fiber have been achieved. The experimental system and result are presented. The primary result confirms this configuration is feasible.
出处 《湖南工业大学学报》 2008年第3期39-41,共3页 Journal of Hunan University of Technology
基金 江苏省自然科学基金资助项目(BK2007501)
关键词 超结构光纤光栅 布里渊散射 直接检测 可重构-等效啁啾(REC)技术 superstructure fiber bragg grating Brillouin scattering direct optical detection the reconstructionequivalent-chirp (REC) technique
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  • 1李卓明,李永倩,何玉钧,宋文妙.自发布里渊光纤温度和应变同时测量方法研究[J].光通信技术,2007,31(2):47-48. 被引量:2
  • 2[2]PARKER T R,FARHADIROUSHAN M,HANDEREK V A.et al.A fully distributed simultaneous strain and temperature sensor using spontaneous Brillouin backscatter[J].IEEE Photon.Tech.Lett.,1997,9(7):979-981.
  • 3[4]Wait P C,Hartog A H.Spontaneous Brillouin-Based Distributed Temperature Sensor Utilizing a Fiber Bragg Grating Notch Filter for the Separation of the Brillouin Signal[J].IEEE PHOTONICS TECHNOLOGY LETTERS,2001,13(5):508-510.
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