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Proceedings Paper

Sup-ppb ammonia detection based on photoacoustic spectroscopy
Author(s): Jean Philippe Besson; Stephane Schilt; Luc Thevenaz
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Paper Abstract

A photoacoustic sensor for the detection of ammonia using an EDFA-amplified semiconductor laser diode at 1532 nm is reported and for the first time a sub-ppb sensitivity of 0.6 ppb is demonstrated in the near infrared.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623666
Show Author Affiliations
Jean Philippe Besson, Ecole Polytechnique Federale de Lausanne (Switzerland)
Stephane Schilt, Ecole Polytechnique Federale de Lausanne (Switzerland)
Luc Thevenaz, Ecole Polytechnique Federale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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