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Trace Ethylene Detection by Means of QEPAS in Near-Infrared Spectral Region

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Abstract

Quartz enhanced photoacoustic spectroscopy (QEPAS) was applied to detection of trace ethylene (C2H4) in nitrogen at atmospheric pressure. An absorption peak at 6177.15 cm−1 was accessed using a fiber coupled DFB diode laser.

© 2008 Optical Society of America

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