基于白光干涉的光缆无损伤识别方法

孙晶华; 陈聪

doi:10.3788/fgxb20113205.0493

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基于白光干涉的光缆无损伤识别方法

器件制备及器件物理 | 更新时间：2020-08-12

- 基于白光干涉的光缆无损伤识别方法
- Lossless Cable Identification Method Based on White-light Interference
- 发光学报 2011年32卷第5期页码：493-498
- 作者机构：
  
  哈尔滨工程大学理学院,黑龙江哈尔滨,150001
- 作者简介：
- 基金信息：
  
  中央高校基础科研专项基金(HEUCFL20101117)();教育部博士点基金(20070217011)资助项目()
- DOI：10.3788/fgxb20113205.0493
  中图分类号： TN253
- 收稿日期：2010-08-03，
  
  修回日期：2010-10-24，
  
  网络出版日期：2011-05-22，
  
  纸质出版日期：2011-05-22
- 稿件说明：
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孙晶华, 陈聪. 基于白光干涉的光缆无损伤识别方法[J]. 发光学报, 2011,32(5): 493-498

SUN Jing-hua, CHEN Cong. Lossless Cable Identification Method Based on White-light Interference[J]. Chinese Journal of Luminescence, 2011,32(5): 493-498
孙晶华, 陈聪. 基于白光干涉的光缆无损伤识别方法[J]. 发光学报, 2011,32(5): 493-498 DOI： 10.3788/fgxb20113205.0493.

SUN Jing-hua, CHEN Cong. Lossless Cable Identification Method Based on White-light Interference[J]. Chinese Journal of Luminescence, 2011,32(5): 493-498 DOI： 10.3788/fgxb20113205.0493.

摘要

提出一种基于白光干涉的光缆无损伤识别方法。将光纤的两端环接

入射光波经耦合器分成两束光

以相反的方向在同一根光纤中传播

用探测器接收另一端产生的信号。在外加作用力下

对并列在一起的两根光纤产生的光程变化进行了理论分析

推导出光缆识别系统输出信号的理论表达式

对系统输出的信号进行了仿真计算。分别利用冲击信号、正弦信号、音乐信号作为外加信号测得输出信号

进行频谱分析

并与输入信号进行对比

验证该方法的可行性。

Abstract

A method of the lossless identification for fiber cable based on white-light interference is studied. When the two ends of fiber-optic are connected

the light-wave is coupled into two beams of light with the same light intensity and transmit in the opposite directions. Detector receives signals generated by the other side. The two optical fibers side by side with the force of outside and the optical fiber path changes are analyzed. The output signals on some conditions are simulated and verified by experiment. The impact signal

the sinusoidal signal with a known frequency and the music signals are used as the divided external signal source

and the output signal is observed. By analyzing the spectral

and comparing with the input signal

this method of the lossless identification system is proved feasible.

关键词

Keywords

references

Sun Jianping. Accurately determinate the obstacle point in optical cable [J]. Communications World (通信世界), 2002, 3 (35):46-50 (in Chinese).[2] Huang Junhua, Zhang Zhong, Xu Jun, et al. Recognition of land based communication optical cable based on radio-frequency:CHN, CN201233462 . 2009-05-06.[3] Liang Shuang, Wang Jianghuai. Study and implementation on OTDR enevt analysis and obstacle judgement [J]. Optical Communication Technology (光通信技术), 2007, 31 (1):49-51 (in Chinese).[4] Xing Xuening. Principle and application of two kinds of fiber detecting instrument based on bending loss [J]. China Digital Cable TV (中国有线电视), 2006, 14 (18):1788-1790 (in Chinese).[5] Chen S, Palmer A W, Grattan K T V, et al. Study of electronically scanned optical fiber Fizzeu interferometer [J]. Electron. Lett., 1991, 27 (5):1032-1034 (in Chinese).[6] Li Xuesong, Liao Yanbiao, Li Tianchu, et al. White-light scanning fiber Michelson interferometer [J]. Acta Metrologica Sinica (计量学报), 1996, 17 (4):241-245 (in Chinese).[7] Udd E. Fiber optic acoustic sensor based on the Sagnac interferometer [J]. SPIE, 1983, 425 :90-95.[8] Wang Huiwen, Jiang Xianjin, Zhao Changming, et al. Optical Fiber Sensor (光纤传感器) [M]. Beijing: Defense Industry Press, 2001:50-51 (in Chinese).[9] Chen Desheng, Gao Hongyun, Xiao Ling, et al. Optical fiber sensor for sound source location based on sagnac interfero-meter [J]. Journal of Optoelectronics Laser (光电子激光), 2006, 17 (4):415-418 (in Chinese).

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