Real time monitoring of a fiber fuse using an optical time-domain reflectometer

被引：14

作者：

Abedin, Kazi S. ^{[1
]}

Nakazawa, Masataka ^{[1
,2
]}

机构：

[1] Natl Inst Informat & Commun Technol, Photon Network Grp, Koganei, Tokyo 1848795, Japan

[2] Tohoku Univ, Elect Commun Res Inst, Aoba Ku, Sendai, Miyagi 980, Japan

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 20期

关键词：

DAMAGE;

D O I：

10.1364/OE.18.021315

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and experimentally demonstrate monitoring of a fiber fuse in real time using an optical time domain reflectometer (OTDR). When a fuse starts, a weak reflection of light occurs from the leading edge of the fuse where plasma and voids are being formed in the core. In this work, we examined the possibility of monitoring a fiber fuse from a remote location using an OTDR. We demonstrate a method that allows us detect a fuse progressing at remote locations (over kilometers away). It was found to be effective even in the presence of strong spurious backscattering, such as spontaneous Raman scattering due to a strong continuous wave pump. Moreover, from the progress of the reflection edge monitored by the OTDR, the fuse velocity could be readily determined. (C) 2010 Optical Society of America

引用

页码：21315 / 21321

页数：7

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