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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 6 — Feb. 20, 2003
  • pp: 979–982

Hydrocarbon absorption coefficients at the 3.39-μm He-Ne laser transition

James A. Drallmeier  »View Author Affiliations


Applied Optics, Vol. 42, Issue 6, pp. 979-982 (2003)
http://dx.doi.org/10.1364/AO.42.000979


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Abstract

In view of the application of light-extinction techniques for fuel-specie-concentration measurements in combustion systems, the vapor-absorption coefficient of several hydrocarbon species at the 3.39-μm He-Ne laser transition has been measured. The hydrocarbon species include paraffins, olefins, and aromatics. Results are included for total pressure over the range of approximately 200–650 Torr at 295 K with air as the buffer gas. Observations are made regarding the difference in the absorption coefficient within and between hydrocarbon classifications.

© 2003 Optical Society of America

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(120.4530) Instrumentation, measurement, and metrology : Optical constants
(260.3060) Physical optics : Infrared
(300.1030) Spectroscopy : Absorption

Citation
James A. Drallmeier, "Hydrocarbon absorption coefficients at the 3.39-μm He-Ne laser transition," Appl. Opt. 42, 979-982 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-6-979

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