Monitoring of surface contamination in an evanescent-wave gas sensor using white light interferometry

Wei Jin; George Stewart; Brian Culshaw

doi:10.1117/12.184959

14 September 1994 Monitoring of surface contamination in an evanescent-wave gas sensor using white light interferometry

Wei Jin, George Stewart, Brian Culshaw

Proceedings Volume 2360, Tenth International Conference on Optical Fibre Sensors; (1994) https://doi.org/10.1117/12.184959
Event: 10th Optical Fibre Sensors Conference, 1994, Glasgow, United Kingdom

Abstract

We have reported a fibre optic evanescent wave (methane) gas sensor where a D-shaped optical fibre was used as a sensing element1 . Progress has been made in optimisation of the sensitivity of the D-fibre to methane at 1 .64µm2, in the development of signal processing techniques3, and in understanding and suppression of various noise sources4,5.

Citation Download Citation

Wei Jin, George Stewart, and Brian Culshaw "Monitoring of surface contamination in an evanescent-wave gas sensor using white light interferometry", Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); https://doi.org/10.1117/12.184959

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