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多模光纤强度调制型扰动传感器传感原理

李晨光 杨德伟 罗光明 李 琛

李晨光, 杨德伟, 罗光明, 等 . 多模光纤强度调制型扰动传感器传感原理[J]. 北京航空航天大学学报, 2009, 35(5): 618-622.
引用本文: 李晨光, 杨德伟, 罗光明, 等 . 多模光纤强度调制型扰动传感器传感原理[J]. 北京航空航天大学学报, 2009, 35(5): 618-622.
Li Chenguang, Yang Dewei, Luo Guangming, et al. Sensing theory of fiber optic intrusion sensor based on multimode fiber intensity modulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(5): 618-622. (in Chinese)
Citation: Li Chenguang, Yang Dewei, Luo Guangming, et al. Sensing theory of fiber optic intrusion sensor based on multimode fiber intensity modulation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(5): 618-622. (in Chinese)

多模光纤强度调制型扰动传感器传感原理

详细信息
    作者简介:

    李晨光(1982-),男,河北张家口人,硕士生,dawn100@126.com.

  • 中图分类号: TP 212

Sensing theory of fiber optic intrusion sensor based on multimode fiber intensity modulation

  • 摘要: 介绍了一种采用"单模光纤-多模光纤-单模光纤"结构的强度调制型扰动传感器,传感光纤为多模光纤.以提高传感灵敏度为目的,对强度调制的传感原理进行研究,并通过仿真及实验验证原理,得出使用相干光源、阶跃折射率多模光纤、对轴熔接单模光纤和多模光纤可以得到传感灵敏度很高的扰动传感器.所述方案结构简单、传感距离长,可应用于各种扰动传感领域,如边界线、军事基地、石油管道等.

     

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出版历程
  • 收稿日期:  2008-08-10
  • 刊出日期:  2009-05-31

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