Effect of dispersion compensation on FBG sensing systems' performance

H. Bourdoucen, A. Al-Lawati

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper introduces the use of a fiber-optic communication system for interrogation and transmission of data from fiber Bragg grating (FBG) sensors. Signal coding and dispersion compensation methods, usually used in communication systems, are used to improve the sensing system's performance. Moreover, communication system parameters are used to assess the improvement in the FBG sensing performance. This is done through the determination of the profiles of Q-factor and eye diagrams. The sensors considered in the simulations are strain sensors subjected to a wide range of strains. The results obtained show a clear improvement of the sensing system with symmetrical compensation. The proposed method is suitable for applications where fiber-optic links are available near both the sensing location and information-collection and-processing unit, even if these two are hundreds of kilometers apart. A good example of where such a system can be applied is the oil industry. The rigs are usually very far from headquarters, but both might be close to a fiber node.

Original languageEnglish
Pages (from-to)403-407
Number of pages5
JournalInstruments and Experimental Techniques
Volume49
Issue number3
DOIs
Publication statusPublished - May 2006

Fingerprint

Dispersion compensation
Fiber Bragg gratings
Bragg gratings
Communication systems
telecommunication
Fiber optics
fibers
Sensors
fiber optics
sensors
interrogation
Q factors
coding
Fibers
oils
industries
diagrams
Processing
Industry
profiles

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Instrumentation

Cite this

Effect of dispersion compensation on FBG sensing systems' performance. / Bourdoucen, H.; Al-Lawati, A.

In: Instruments and Experimental Techniques, Vol. 49, No. 3, 05.2006, p. 403-407.

Research output: Contribution to journalArticle

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