White-light interferometric fiber-optic distributed strain-sensing system

Document Type

Article

Publication Date

1-1-1997

Abstract

A novel technique of using different lengths of optical fiber as strain sensors in a white-light interferometer to measure the strain distribution is presented. The technique for connecting the fiber sensors and the method of calculating the intensity of the transmitted and reflected light are given. The measuring principle and a four-sensor distributed fiber-optic strain-measuring system are demonstrated. Calibration experiments results show that the relationship of the strain between the embedded fiber and the matrix is linear and the sensitivity of the fiber sensor is a function of the sensing length of the embedded fiber. © 1997 Elsevier Science S.A.

Identifier

0031365758 (Scopus)

Publication Title

Sensors and Actuators A Physical

External Full Text Location

https://doi.org/10.1016/S0924-4247(97)80502-X

ISSN

09244247

First Page

177

Last Page

181

Issue

3

Volume

63

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