Employing an external cavity QCL and using OA-ICOS and multiple line integrated absorption spectroscopy techniques, we report an effective sensitivity of detection of ~28 ppt for NO2 in Zero-Air.
© 2011 OSA
(010.1120) Atmospheric and oceanic optics : Air pollution monitoring
(010.1030) Atmospheric and oceanic optics : Absorption
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors
A. Karpf and G. N. Rao, "High sensitivity detection of NO2 using ICOS and MLIAS," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JTuI113.
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