Detection of acetylene gas using optical correlation spectroscopy

A. Cheung, W. Johnstone, D. Moodie

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Abstract

A novel variation in optical correlation spectroscopy is presented. A semiconductor optical amplifier (SOA) is employed as the light source and an optical fibre delay line is used to achieve the 180° phase shift between the reference and measurement signals. The system was tested using acetylene (C2H2) gas. Absorption data from the HITRAN database is used to model the theoretical response of the system. Experimental results for the detection of various acetylene gas concentrations have been obtained and compared with theory.
Original languageEnglish
DOIs
Publication statusPublished - 2005
Event17th International Conference on Optical Fibre Sensors - Brugge, Belgium
Duration: 23 May 200527 May 2005

Conference

Conference17th International Conference on Optical Fibre Sensors
Country/TerritoryBelgium
CityBrugge
Period23/05/0527/05/05

Keywords

  • optical correlation spectroscopy
  • semiconductor optical amplifier
  • acetylene

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