Photoacoustical detection of trace gases with an optical microphone

J. Breguet; Jean-Paul Pellaux; Nicolas Gisin

doi:10.1117/12.184960

14 September 1994 Photoacoustical detection of trace gases with an optical microphone

J. Breguet, Jean-Paul Pellaux, Nicolas Gisin

Proceedings Volume 2360, Tenth International Conference on Optical Fibre Sensors; (1994) https://doi.org/10.1117/12.184960
Event: 10th Optical Fibre Sensors Conference, 1994, Glasgow, United Kingdom

Abstract

An alternative to the electrical microphone for photoacoustical detection of trace gases is presented. This microphone is made of a monomode optical fiber wound and glued on a thin plate. This fiber is one arm of a Michelson interferometer. A Sagnac interferometer has also been used and has given better results.

Citation Download Citation

J. Breguet, Jean-Paul Pellaux, and Nicolas Gisin "Photoacoustical detection of trace gases with an optical microphone", Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); https://doi.org/10.1117/12.184960

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