A multimode optical-fibre sensing system using white-light interferometry and a two-wavelength synthetic source

被引：0

作者：

Qi, W ^{[1
]}

Ning, YN ^{[1
]}

Grattan, KTV ^{[1
]}

Palmer, AW ^{[1
]}

机构：

[1] CITY UNIV LONDON,DEPT ELECT ELECT & INFORMAT ENGN,LONDON EC1V 0HB,ENGLAND

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 1997年 / 58卷 / 03期

关键词：

multimode optical fibres; white-light interferometry;

D O I：

10.1016/S0924-4247(97)01391-5

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 tandem interferometer system linked with a 100 mu m core diameter multimode fibre has been investigated and a signal-processing scheme introduced to suppress the noise in the system, simulated by a reproducible vibration of the fibre. The results show a short-term repeatability (to three standard deviations) of better than 15 nm displacement with the use of an appropriate curve-fitting signal-processing scheme, under conditions where the fibre is subjected to a known noise signal by being constantly subjected to vibration.

引用

页码：191 / 195

页数：5

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