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Fibre optic gas sensing using absorption spectroscopy

Jin, W. and Ho, H. and Stewart, G. and Culshaw, B. (2002) Fibre optic gas sensing using absorption spectroscopy. Trends in Applied Spectroscopy, 4. pp. 155-163. ISSN 0972-4516

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Abstract

We review recent developments in optical fiber gas detection using absorption spectroscopy, including open-path gas sensors using fiber coupled micro-optic cells, evanescent wave sensors using D-shaped optical fibers and holey fibers; sensor systems using broadband sources and laser sources; techniques for sensitivity enhancement and noise reduction; and various multi-point gas detection systems.