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Cross Sensitivity Study for Ammonia Detection in Ultra Violet Region Using an Optical Fibre Sensor

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5 Author(s)
Manap, H. ; Dept. of Electron. & Comput. Eng., Univ. of Limerick, Limerick, Ireland ; Dooly, G. ; Muda, R. ; O'Keeffe, S.
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This paper describes an optical fibre sensor for the monitoring of ammonia gas. An open path optical technique is used to analyze the absorption lines of ammonia within the ultra violet region. A cross sensitivity study mainly regarding water vapor and the advantage of using ultra violet light have been discussed. Experimental results describing the operation of the sensor are presented and are compared with theory. The optical sensor for ammonia shows very promising results and are very close to the theoretical spectrum.

Published in:

Sensor Technologies and Applications, 2009. SENSORCOMM '09. Third International Conference on

Date of Conference:

18-23 June 2009