Micro-displacement sensor combined with a fiber ring interrogated by an optical time-domain reflectometer

Date

2014

Authors

Baptista, José Manuel
Santos, José Luís
Frazão, Orlando

Director

Publisher

IEEE
Acceso abierto / Sarbide irekia
Artículo / Artikulua
Versión aceptada / Onetsi den bertsioa

Project identifier

Impacto
No disponible en Scopus

Abstract

A micro-displacement sensing head based on two aligned cleaved fibers inserted into an optical fiber ring and interrogated by an OTDR is presented. The sensor configuration is characterized for measuring both longitudinal and axial microdisplacement, showing a sensitivity of 0.07 dB/mm and 2.67 dB/mm for longitudinal and axial micro-displacement, respectively. A multiplexing system using two of these configurations is also studied.

Description

Keywords

Fiber ring, Air-gap, OTDR, Displacement sensor

Department

Ingeniería Eléctrica y Electrónica / Ingeniaritza Elektrikoa eta Elektronikoa

Faculty/School

Degree

Doctorate program

item.page.cita

M. Bravo, J. M. Baptista, J. L. Santos, M. López-Amo and O. Frazão, 'Micro-Displacement Sensor Combined With a Fiber Ring Interrogated by an Optical Time-Domain Reflectometer,' in IEEE Sensors Journal, vol. 14, no. 3, pp. 793-796, March 2014.

item.page.rights

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