Source noise limitation of fibre optic methane sensors

Wei Jin; George Stewart; Brian Culshaw; Stuart C. Murray

doi:10.1117/12.185008

14 September 1994 Source noise limitation of fibre optic methane sensors

Wei Jin, George Stewart, Brian Culshaw, Stuart C. Murray

Proceedings Volume 2360, Tenth International Conference on Optical Fibre Sensors; (1994) https://doi.org/10.1117/12.185008
Event: 10th Optical Fibre Sensors Conference, 1994, Glasgow, United Kingdom

Abstract

Optical detection of methane gas based on its absorption at particular wavelengths has attracted considerable attention recently. The methane detection systems reported so far use either a laser source coupled with wavelength modulation spectroscopy1,2 or a relative wide-band source (e.g., LED) together a “comb” filter3,4. Recently, the broadband source - comb filtering scheme has been sucessfully used for an evanescent wave methane sensor5,6.

Citation Download Citation

Wei Jin, George Stewart, Brian Culshaw, and Stuart C. Murray "Source noise limitation of fibre optic methane sensors", Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); https://doi.org/10.1117/12.185008

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