典型文献
Physics and applications of Raman distributed optical fiber sensing
文献摘要：
Raman distributed optical fiber sensing has been demonstrated to be a mature and versatile scheme that presents great flexibility and effectivity for the distributed temperature measurement of a wide range of engineering applications over other established techniques.The past decades have witnessed its rapid development and extensive applicability ranging from scientific researches to industrial manufacturing.However,there are four theoretical or technical bottlenecks in traditional Raman distributed optical fiber sensing:(ⅰ)The difference in the Raman optical attenuation,a low signal-to-noise ratio(SNR)of the system and the fixed error of the Raman demodulation equation restrict the temperature measurement accuracy of the system.{ⅱ)The sensing distance and spatial resolution cannot be reconciled.(ⅲ)There is a contradiction between the SNR and measurement time of the system.(ⅳ)Raman distributed optical fiber sensing cannot perform dual-parameter detection.Based on the above theoretical and technical bottlenecks,advances in performance enhancements and typical applications of Raman distributed optical fiber sensing are reviewed in this paper.Integration of this optical system technology with knowledge based,that is,demodulation technology etc.can further the performance and accuracy of these systems.
文献关键词：
中图分类号：
作者姓名：
Jian Li;Mingjiang Zhang
作者机构：
College of Physics and Optoelectronics,Taiyuan University of Technology,Taiyuan,Shanxi 030024,China;Key Laboratory of Advanced Transducers and Intelligent Control Systems(Ministry of Education and Shanxi Province),Taiyuan University of Technology,Taiyuan 030024,China
文献出处：
引用格式：
[1]Jian Li;Mingjiang Zhang-.Physics and applications of Raman distributed optical fiber sensing)[J].光：科学与应用（英文版）,2022(06):1059-1087
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0.556422
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