Lenney, J., Hirst, W., Padgett, M., Patterson, B., Hedges, N., Strachan, D., and Sibbett, W. (1998) Open-Path UV Fourier-Transform Gas Monitor With No Moving Parts. Pure and Applied Optics, 7(4), pp. 875-887. (doi:1088/0963-9659/7/4/022)
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New legislation requiring the monitoring and reduction of polluting gases in both Europe and the USA has increased the demand for reliable and affordable open-path monitoring systems, suitable for hazardous area operation. We report on the research and development of a UV Fourier-transform spectrometer-based :system for open-path monitoring of both hazardous and environmental gases. The device has no moving parts and is designed for unattended operation. Laboratory tests have successfully detected the presence of and differentiated between SO2 and H2S present in a 1 m test cell down to 1.0 ppm.m levels. The real-time response of the system allows for the use of maximum entropy modelling to predict the size and location of a gas leak. Initial field tests with open-air gas releases of SO2 and H2S have verified this. The multiple-gas feature of the instrument allows for additional possible applications with regards to environmental monitoring.
|Glasgow Author(s) Enlighten ID:||Padgett, Professor Miles|
|Authors:||Lenney, J., Hirst, W., Padgett, M., Patterson, B., Hedges, N., Strachan, D., and Sibbett, W.|
|College/School:||College of Science and Engineering > School of Physics and Astronomy|
|Journal Name:||Pure and Applied Optics|
|Journal Abbr.:||Pure Appl. Opt.|