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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 2 — Jan. 10, 2010
  • pp: 196–203

Temperature- and pressure-dependent midinfrared absorption cross sections of gaseous hydrocarbons

Alexander Grosch, Volker Beushausen, Hainer Wackerbarth, Olaf Thiele, and Thomas Berg  »View Author Affiliations


Applied Optics, Vol. 49, Issue 2, pp. 196-203 (2010)
http://dx.doi.org/10.1364/AO.49.000196


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Abstract

Transmittance spectra of four gaseous hydrocarbons were measured by using a Fourier transform infrared spectrometer. The analyzed substances are propane, n-butane, ethanol, and iso-octane (2,2,4-trimethyl-pentane). Mixtures of hydrocarbons and nitrogen were prepared and analyzed in an optical cell between 298 and 473 K at pressures up to 1800 kPa . Molecule specific absorption cross sections were calculated for different temperatures and pressures that are relevant for technical absorption measurements. Dependences of the spectral absorption cross sections, as well as the integrated absorption cross sections on temperature and pressure, were investigated.

© 2010 Optical Society of America

OCIS Codes
(300.0300) Spectroscopy : Spectroscopy
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:
Spectroscopy

History
Original Manuscript: October 6, 2009
Revised Manuscript: November 30, 2009
Manuscript Accepted: December 3, 2009
Published: January 7, 2010

Citation
Alexander Grosch, Volker Beushausen, Hainer Wackerbarth, Olaf Thiele, and Thomas Berg, "Temperature- and pressure-dependent midinfrared absorption cross sections of gaseous hydrocarbons," Appl. Opt. 49, 196-203 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-2-196

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