Room temperature photoabsorption cross section measurements of CO2 between 91,000 and 115,000cm-1

L. E. Archer, G. Stark, P. L. Smith, J. R. Lyons, N. De Oliveira, L. Nahon, D. Joyeux, D. Blackie

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

High-resolution vacuum ultraviolet photoabsorption cross sections of CO2 are required for accurate modeling of airglow emissions from the Martian and Venusian atmospheres and for photochemical models of those and Earth's atmospheres. We report cross section measurements between 91,000 and 115,000cm-1 (87-110nm) at spectral resolutions of 1.15cm-1 (91,000-102,000cm-1) and 0.58cm-1 (102,000-115,000cm-1). These high-resolution cross sections show significant deviations from the results of previous lower-resolution measurements, particularly in regions with sharp spectral structure.

Original languageEnglish (US)
Pages (from-to)88-92
Number of pages5
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume117
DOIs
StatePublished - Mar 1 2013
Externally publishedYes

Keywords

  • Carbon dioxide
  • Planetary atmospheres
  • Ultraviolet photoabsorption cross sections

ASJC Scopus subject areas

  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy

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