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Conferences > CLEO > 2009 > JTuD > JTuD84
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper JTuD84
  • •https://doi.org/10.1364/CLEO.2009.JTuD84

Ethylene Trace Detection by Quartz Enhanced Photoacoustic Spectroscopy

K. Liu, T. Wu, X. Gao, W. Zhang, E. Fertein, and W. Chen

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Abstract

Ethylene (C2H4) absorption line intensity at 6172.95 cm−1 was determined for trace gas detection. C2H4 trace concentration measurements were performed using quartz enhanced photoacoustic spectroscopy (QEPAS) with a sensitivity of 1.3 ppmv (1σ) for τ=1s time constant. The effect of modulation frequency accuracy on QEPAS signal was investigated.

© 2009 Optical Society of America

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