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CW EC-QCL Based Sensor for Simultaneous HOD/H2O, N2O and CH4 Detection by Multi-pass Absorption Spectroscopy

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A sensor system based on a CW EC-QCL was demonstrated for simultaneous atmospheric HOD/H2O, N2O and CH4 detection. A 57.6m multi-pass absorption cell was employed. Wavelength modulation spectroscopy was implemented for data processing.

© 2016 Optical Society of America

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