Fibre-optic distributed temperature sensing using IOFDR

被引：1
|
作者：
Karamehmedovic, E [1 ]
Glombitza, U [1 ]
机构：
[1] DTU, Res Ctr COM, DK-2800 Lyngby, Denmark
来源：
SECOND EUROPEAN WORKSHOP ON OPTICAL FIBRE SENSORS: PROCEEDINGS | 2004年 / 5502卷
关键词：
fibre-sensor; frequency domain reflectometry; Raman temperature sensor;
D O I：
10.1117/12.566628
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A distributed temperature sensor based on spontaneous Raman scattering in a single-mode fibre is demonstrated. A brief theoretical description of the IOFDR technique for spatial resolution of the backscattered waves is given. Measurements on 16km of SM fibre with spatial resolution of around 2m are presented. To the best of the authors' knowledge, this represents a new record for an IOFDR system. An accuracy of +/-2K is achieved.
引用
收藏
页码：200 / 203
页数：4
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