Optical fibre sensors and networks for environmental monitoring

G. Stewart, B. Culshaw, W. Johnstone, G.L. Whitenett, K. Atherton, A. McLean

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Describes the author's work on the development of fibre sensors and networks for monitoring trace gases such as methane, acetylene, carbon dioxide, carbon monoxide, hydrogen sulphide and for detection of spills of gasoline, diesel and organic solvents, all of which are important in environmental and safety management. As an example, a 45-point fibre optic sensor network has been installed on a landfill site to assess the distribution of methane generation across the site. System operation is based on near-IR absorption and is currently being extended to monitor other gases such as carbon dioxide and hydrogen sulphide. Concurrently, research is being conducted on fibre lasers for the realisation of multi-point, multi-gas monitoring systems. Based on other principles (periodic micro-bending loss effects), detection of hydrocarbon fuel spills has been demonstrated at multiple locations along the length of a specially designed fibre optic cable using standard optical time domain reflectometry (OTDR) measurements.
Original languageEnglish
Pages (from-to)181-190
Number of pages9
JournalManagement of Environmental Quality
Volume14
Issue number2
DOIs
Publication statusPublished - 2003

Fingerprint

Optical Fibers
Environmental Monitoring
fiber optics
Fiber optic sensors
hydrogen sulfide
environmental monitoring
Hydrogen Sulfide
carbon dioxide
Gases
methane
Methane
Hazardous materials spills
sensor
Carbon Dioxide
time domain reflectometry
Monitoring
acetylene
trace gas
gas
cable

Keywords

  • environment
  • gases
  • monitoring
  • optical fibres
  • sensors
  • environmental monitoring

Cite this

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Optical fibre sensors and networks for environmental monitoring. / Stewart, G.; Culshaw, B.; Johnstone, W.; Whitenett, G.L.; Atherton, K.; McLean, A.

In: Management of Environmental Quality, Vol. 14, No. 2, 2003, p. 181-190.

Research output: Contribution to journalArticle

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T1 - Optical fibre sensors and networks for environmental monitoring

AU - Stewart, G.

AU - Culshaw, B.

AU - Johnstone, W.

AU - Whitenett, G.L.

AU - Atherton, K.

AU - McLean, A.

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AB - Describes the author's work on the development of fibre sensors and networks for monitoring trace gases such as methane, acetylene, carbon dioxide, carbon monoxide, hydrogen sulphide and for detection of spills of gasoline, diesel and organic solvents, all of which are important in environmental and safety management. As an example, a 45-point fibre optic sensor network has been installed on a landfill site to assess the distribution of methane generation across the site. System operation is based on near-IR absorption and is currently being extended to monitor other gases such as carbon dioxide and hydrogen sulphide. Concurrently, research is being conducted on fibre lasers for the realisation of multi-point, multi-gas monitoring systems. Based on other principles (periodic micro-bending loss effects), detection of hydrocarbon fuel spills has been demonstrated at multiple locations along the length of a specially designed fibre optic cable using standard optical time domain reflectometry (OTDR) measurements.

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