Wavelength sensitive time-domain interrogating system for a quasi-distributed temperature sensor

被引：0
|
作者：
Crunelle, C. [1 ]
Wuilpart, M. [1 ]
Caucheteur, C. [1 ]
Megret, P. [1 ]
机构：
[1] Fac Polytech Mons, B-7000 Mons, Belgium
来源：
19TH INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS, PTS 1 AND 2 | 2008年 / 7004卷
关键词：
quasi-distributed temperature sensor; Fibre Bragg Grating; OTDR;
D O I：
10.1117/12.786096
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
A quasi-distributed temperature monitoring system based on the concatenation of identical low reflective Fibre Bragg Gratings and interrogated by means of an Optical Time Domain Reflectometer is presented. A wavelength sensitive system placed before the OTDR detector is used to analyse the reflected signal. This system allows the height of the FBG reflection peaks in the OTDR trace to depend on their resonance wavelength, and therefore to temperature. Simulations and experimental results are exposed.
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页数：4
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