EXTRINSIC OPTICAL-FIBER INTERFEROMETRIC SENSOR THAT USES MULTIMODE OPTICAL FIBERS - SYSTEM AND SENSING-HEAD DESIGN FOR LOW-NOISE OPERATION

被引：16

作者：

CHEN, S

PALMER, AW

GRATTAN, KTV

MEGGITT, BT

机构：

[1] Department of Electronic, Electrical and Information Engineering, City University, London, EC1V 0HB, Northampton Square

来源：

OPTICS LETTERS | 1992年 / 17卷 / 10期

关键词：

D O I：

10.1364/OL.17.000701

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report an extrinsic Fabry-Perot-type optical-fiber interferometric sensor system constructed by using multimode optical fibers. The intermodal noise produced by the multimode optical fibers was suppressed by the use of optical-fiber white-light interferometry and by the consideration given to the sensor-head design. Both a theoretical analysis and an experimental investigation were carried out, and a system signal-to-noise ratio of 45 dB was demonstrated.

引用

页码：701 / 703

页数：3

共 25 条

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