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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 15 — Aug. 1, 2006
  • pp: 2356–2358

Detection and quantification of multiple molecular species in mainstream cigarette smoke by continuous-wave terahertz spectroscopy

Damien Bigourd, Arnaud Cuisset, Francis Hindle, Sophie Matton, Eric Fertein, Robin Bocquet, and Gaël Mouret  »View Author Affiliations


Optics Letters, Vol. 31, Issue 15, pp. 2356-2358 (2006)
http://dx.doi.org/10.1364/OL.31.002356


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Abstract

Continuous-wave terahertz spectroscopy by photomixing is applied to the analysis of mainstream cigarette smoke. Using the wide tunability of the source, spectral signatures of hydrogen cyanide ( HCN ) , carbon monoxide ( CO ) , formaldehyde ( H 2 CO ) , and water ( H 2 O ) have been observed from 500 to 2400 GHz . The fine spectral purity allows direct concentration measurement from the pure rotational transitions of HCN and CO . The quantification of the measurement was validated by the means of a calibration gas containing CO . The potential of this technique for trace gas detection is demonstrated with an estimated detection limit of HCN equal to 9 parts in 10 6 .

© 2006 Optical Society of America

OCIS Codes
(010.1120) Atmospheric and oceanic optics : Air pollution monitoring
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.6270) Spectroscopy : Spectroscopy, far infrared

ToC Category:
Spectroscopy

History
Original Manuscript: March 17, 2006
Revised Manuscript: May 12, 2006
Manuscript Accepted: May 19, 2006
Published: July 10, 2006

Citation
Damien Bigourd, Arnaud Cuisset, Francis Hindle, Sophie Matton, Eric Fertein, Robin Bocquet, and Gaël Mouret, "Detection and quantification of multiple molecular species in mainstream cigarette smoke by continuous-wave terahertz spectroscopy," Opt. Lett. 31, 2356-2358 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-15-2356


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