An approach based on fiber-coupled super-luminescent diodes (SLD) centered at two different wavelengths 1530
nm and 831 nm along with a spectrometer were used for analysis and monitoring of ammonia (NH3) and water vapor
(H2O) gas concentrations of the order of hundreds of ppm, respectively. It was studied experimentally and
computationally verified. The proposed approach can allow multiple gas sensing in mixture of these for industrial and
combustion monitoring.
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