A Novel Optical Fibre Methane Sensor

J. P. Dakin; C. A. Wade; D. Pinchbeck; J. S. Wykes

doi:10.1117/12.938026

17 September 1987 A Novel Optical Fibre Methane Sensor

J. P. Dakin, C. A. Wade, D. Pinchbeck, J. S. Wykes

Proceedings Volume 0734, Fibre Optics '87; (1987) https://doi.org/10.1117/12.938026
Event: Sira/Fibre Optics '87, 1987, London, United Kingdom

Abstract

This paper describes a novel fibre optic methane sensor which has several advantages over previously published fibre optic techniques. It is based on a scanning Fabry Perot etalon filter and is self-referencing, requiring only a single optical sensing path and photodetector. A laboratory version of the sensor, employing a white light source, has been constructed and tested, and was found to be capable of detecting 0.25% by volume methane in air, with a response time of approximately 1.5 seconds.

Citation Download Citation

J. P. Dakin, C. A. Wade, D. Pinchbeck, and J. S. Wykes "A Novel Optical Fibre Methane Sensor", Proc. SPIE 0734, Fibre Optics '87, (17 September 1987); https://doi.org/10.1117/12.938026

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