Distributed dual-wavelength Sagnac impact sensor

被引:0
|
作者
Spammer, SJ [1 ]
Swart, PL [1 ]
Chtcherbakov, AA [1 ]
机构
[1] Rand Afrikaans Univ, Fac Engn, Sensors Sources & Signal Proc Res Grp, ZA-2006 Auckland Pk, South Africa
关键词
distributed optical fiber sensors; Sagnac interferometer; impact sensor;
D O I
10.1002/(SICI)1098-2760(19980220)17:3<170::AID-MOP6>3.3.CO;2-C
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A distributed fiber sensor is described to determine the location of disturbances along a length of optical fiber. The sensor constitutes two Sagnac interferometers: one with a position-dependent response to time-varying disturbances, and the other Sagnac with no position-dependent output. The signals are detected and converted to spatial information. Results obtained with a 200 m long sensor are discussed. (C) 1998 John Wiley & Sons, Inc.
引用
收藏
页码:170 / 173
页数:4
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