23 May 2005 Sup-ppb ammonia detection based on photoacoustic spectroscopy
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Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623666
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium
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.
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Jean Philippe Besson, Jean Philippe Besson, Stephane Schilt, Stephane Schilt, Luc Thevenaz, Luc Thevenaz, } "Sup-ppb ammonia detection based on photoacoustic spectroscopy", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623666; https://doi.org/10.1117/12.623666
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