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    • QEPAS based ppb-level detection of CO and N2O using a high power CW DFB-QCL 

      Ma, Yufei; Lewicki, Rafał; Razeghi, Manijeh; Tittel, Frank K. (2013-01-14)
      An ultra-sensitive and selective quartz-enhanced photoacoustic spectroscopy (QEPAS) sensor platform was demonstrated for detection of carbon monoxide (CO) and nitrous oxide (N2O). This sensor used a stateof- the art ...