Distributed fiber sensing using Brillouin echoes

被引：15
|
作者：
Thevenaz, Luc [1 ]
Mafang, Stella Foaleng [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Swiss Fed Inst Technol, Lab Metrol & Photon, CH-1015 Lausanne, Switzerland
来源：
19TH INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS, PTS 1 AND 2 | 2008年 / 7004卷
关键词：
Brillouin fiber sensing; distributed fiber sensor; stimulated Brillouin scattering;
D O I：
10.1117/12.786283
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
A simple physical description of the nonlinear optical interaction based on Brillouin echoes is presented. This technique makes potentially possible distributed Brillouin sensing down to centimeter spatial resolution while preserving the narrowband feature of the natural Brillouin gain spectrum. Experimental conditions for the generation of Brillouin echoes are described and demonstrations of distributed measurements using a 1 ns (10 cm) pulse are presented.
引用
收藏
页码：N43 / N43
页数：4
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