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QCL Based Absorption Sensor for Simultaneous Trace-Gas Detection of CH4 and N2O

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A quantum cascade laser (QCL) absorption sensor system operating at 7.83 μm was developed for simultaneous dual-species monitoring of CH4 and N2O using a novel compact multipass gas absorption cell with a sampling volume of 225 mL.

© 2014 Optical Society of America

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