Compact Quantum Cascade Laser Instrument for High Precision Trace Gas Measurements

J B Mcmanus,Mark S Zahniser,D D Nelson, R M Mcgovern, M Agnese, William F Brown

Optical Instrumentation for Energy and Environmental Applications（2011）

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摘要

Results from a new generation of mid-infrared quantum cascade laser based trace gas instrument are reported. The 1 s noise for ambient N2O is 6 parts per trillion, corresponding to an absorption noise of 3x10-6.

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