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Optimizations for Simultaneous Detection of Atmospheric N2O and CO with a Quantum Cascade Laser

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Abstract

A QCL laser based open-path sensor for atmospheric N2O/CO achieves a sensitivity of 0.26 ppbv of N2O and 0.24 ppbv of CO in 1 s. Optimizations including dual modulation amplitudes and inline reference cell have been performed with WMS.

© 2012 Optical Society of America

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