Location of vibrational disturbance using a serial array of identical low-finesse fiber Fabry-Perot interferometers

Rodolfo Martínez Manuel, M. G. Shlyagin, S. V. Miridonov, J. Meyer

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

An optical fiber sensor system for location of a vibrational disturbance along the fiber is presented. The sensor system is based on a serial array of identical F-P interferometers, formed directly in the single mode SMF-28e fiber by pairs of fiber Bragg gratings with reflectivity of 0.04 % each. Interferometers were interrogated by a DFB diode laser which was intensity modulated at 10 kHz. A method for localization of a disturbed interferometer and experimental results for a serial array of 14 sensors are presented. Simple sensor configuration and the use of low-frequency components make it potentially inexpensive and suitable for applications where a continuous monitoring of long structures has to be performed for appearance of vibrations.

Original languageEnglish
Title of host publicationFourth European Workshop on Optical Fibre Sensors
DOIs
Publication statusPublished - 2010
Event4th European Workshop on Optical Fibre Sensors - Porto, Portugal
Duration: 8 Sept 201010 Sept 2010

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7653
ISSN (Print)0277-786X

Conference

Conference4th European Workshop on Optical Fibre Sensors
Country/TerritoryPortugal
CityPorto
Period8/09/1010/09/10

Keywords

  • Fiber Bragg grating
  • Low-finesse Fabry-Perot interferometer
  • Optical fiber sensor

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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