Optical Fiber Fault Location with Photon Probe

Du Mao-chang; Zhang Jin-an

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Optical Fiber Fault Location with Photon Probe

更新时间：2025-12-08

- Optical Fiber Fault Location with Photon Probe
- Acta Electronica Sinica Issue 1, Pages: 54-60(1981)
- 作者机构：
  
  武汉邮电科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1981
- 稿件说明：
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[1]杜懋畅,张进安.光子探测光纤缺陷定位的实验研究[J].电子学报,1981(01):54-60.

Du Mao-chang, Zhang Jin-an. Optical Fiber Fault Location with Photon Probe[J]. Acta Electronica Sinica, 1981, (1): 54-60.
[1]杜懋畅,张进安.光子探测光纤缺陷定位的实验研究[J].电子学报,1981(01):54-60. DOI：

Du Mao-chang, Zhang Jin-an. Optical Fiber Fault Location with Photon Probe[J]. Acta Electronica Sinica, 1981, (1): 54-60. DOI：

摘要

用光子探测法（Photon Probe）代替光脉冲反射法实现了任何恶劣断裂面的光纤断点的探测。文中介绍:1.在实验中观察到了“空间区分效应”

并对此进行了探讨;2.采用外时标对比法使光子探测实现了数字化;3.对总衰耗19.3dB、长1345m、NA0.21的梯度光纤的任意断裂面断点进行了实测。

Abstract

As an alternative to optical pulse reflection method based on the principle of optical radar

the "photon probe" offers the possibility that the extremely weak echo from a broken point with any poor fracture or certain imperfection can be detected.The "space-separation effect" had been observed in our research and analysed.The display of fault location is digitized with the "external time-base-method" suggested in this paper

thus bringing the accuracy of fault location to the limit of the pulse reflection method.Fracture of a 1345m gradient fiber with a total attenuation of 19.3dB and NA0.21 has been measured.

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