Abstract
In the present work, we demonstrate the feasibility of hydrogen sulfide (H2S) trace detection by means of off-axis integrated cavity output spectroscopy (OA-ICOS) using a DFB diode laser at ~ 1571.8 nm. A minimum detectable H2S concentration of 700 ppb (signal-to-noise ratio, SNR=3) was achieved.
© 2007 IEEE
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