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SAE 2008-01-2091

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Abstract

A spectroscopic trace gas sensor using a distributed feedback diode laser at λ=1.53 µm and based on quartz enhanced photoacoustic spectroscopy technique is described. The sensor is capable of quasi-simultaneous quantification of trace ammonia, hydrogen cyanide, and acetylene (NH 3 , HCN, and C 2 H 2 , respectively) concentrations at ∼100 ppbv levels with a 4s integration time. The sensor design, responsivity, noise, and cross-talk characteristics are reported.

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  • Standard from SAE International
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  • Document type: IS
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  • Publisher: SAE International
  • Distributor: SAE International