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Proceedings Paper

A Novel Optical Fibre Methane Sensor
Author(s): J. P. Dakin; C. A. Wade; D. Pinchbeck; J. S. Wykes
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Paper 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.

Paper Details

Date Published: 17 September 1987
PDF: 7 pages
Proc. SPIE 0734, Fibre Optics '87, (17 September 1987); doi: 10.1117/12.938026
Show Author Affiliations
J. P. Dakin, Plessey Research Roke Manor Limited (United Kingdom)
C. A. Wade, Plessey Research Roke Manor Limited (United Kingdom)
D. Pinchbeck, British Gas Plc (United Kingdom)
J. S. Wykes, British Coal (United Kingdom)

Published in SPIE Proceedings Vol. 0734:
Fibre Optics '87
Lionel R. Baker, Editor(s)

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