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High Precision Trace Gas Measurements with Quantum Cascade Laser Spectroscopic Instruments

J. B. McManus, M. S. Zahniser, D. D. Nelson, J. H. Shorter, R. A. Wehr, G. W. Santoni, and B. H. Lee

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Abstract

Newly developed quantum cascade laser spectroscopic instrumentation allows high precision measurements of atmospheric trace gases, including measurements of small fractional (<10−3) changes in stable gases (e.g. N2O), and isotopic ratios (e.g. 13CO2/12CO2, 13CH4/12CH4).

© 2010 Optical Society of America

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