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https://hdl.handle.net/2440/42069
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Type: | Journal article |
Title: | Measurements of collisional broadening coefficients by infrared polarization spectroscopy |
Author: | Alwahabi, Z. Zetterberg, J. Li, Z. Alden, M. |
Citation: | Applied Spectroscopy, 2007; 61(4):424-427 |
Publisher: | Soc Applied Spectroscopy |
Issue Date: | 2007 |
ISSN: | 0003-7028 1943-3530 |
Abstract: | We present measurements of collisional broadening coefficients, obtained at atmospheric pressure, by polarization spectroscopy. Using tunable single mode laser radiation at approximately 2 microm, high-resolution infrared polarization spectra were recorded for CO2-Ar and CO2-He binary mixtures. The recorded polarization spectra were fitted with a Lorentzian cubed function form to obtain the broadening coefficients. The full-width at half-maxima (FWHM) collisional broadening rates of CO2 by Ar and He, for the R14 (12 degrees1<--00 degrees0) line, have been determined to be 0.161+/-0.018 cm-1 atm-1 and 0.1823+/-0.0032 cm-1 atm-1, respectively. |
Keywords: | Carbon Dioxide Argon Helium Microscopy, Polarization Spectrophotometry, Infrared Equipment Design Equipment Failure Analysis |
DOI: | 10.1366/000370207780466163 |
Published version: | http://www.opticsinfobase.org/abstract.cfm?URI=as-61-4-424 |
Appears in Collections: | Aurora harvest Chemical Engineering publications |
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