22-KM DISTRIBUTED TEMPERATURE SENSOR USING BRILLOUIN GAIN IN AN OPTICAL FIBER

被引：122

作者：

BAO, X

WEBB, DJ

JACKSON, DA

机构：

[1] Applied Optics Group, Physics Laboratory, The University, Canterbury, Kent

来源：

OPTICS LETTERS | 1993年 / 18卷 / 07期

关键词：

741.1.1 Nonlinear Optics - 921.6 Numerical Methods - 944.6 Temperature Measurements;

D O I：

10.1364/OL.18.000552

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe an experimental distributed temperature sensor that uses the temperature dependence of the Brillouin frequency shift. When a 22.2-km sensing length is used, we have observed a temperature resolution of 1-degrees-C and have obtained a spatial resolution of 10 m.

引用

页码：552 / 554

页数：3

共 6 条

[1]

BOYD RW, 1992, NONLINEAR OPTICS, pCH8

[2]

CULVERHOUSE D, 1989, ELECTRON LETT, V25, P914

[3] DISTRIBUTED OPTICAL FIBER RAMAN TEMPERATURE SENSOR USING A SEMICONDUCTOR LIGHT-SOURCE AND DETECTOR [J].