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Optics Letters

Optics Letters


  • Vol. 7, Iss. 9 — Sep. 1, 1982
  • pp: 440–441

Rotational Raman intensity-correction factors due to vibrational anharmonicity: their effect on temperature measurements

Michael C. Drake  »View Author Affiliations

Optics Letters, Vol. 7, Issue 9, pp. 440-441 (1982)

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Temperatures can be measured from relative intensities of rotational Raman or rotational coherent anti-Stokes Raman scattering (CARS) from ground and vibrationally excited molecules, provided that relative Raman line strengths are known. Here rotational Raman line strengths are calculated and corrected for vibrational anharmonicity, for N2, O2, CO, and H2. These line-strength-correction factors for vibrational anharmonicity have a pronounced effect on temperature calculations; they lower temperatures previously calculated from O2 rotational CARS intensities at ~3000 K by more than 300 K.

© 1982 Optical Society of America

Original Manuscript: January 25, 1982
Published: September 1, 1982

Michael C. Drake, "Rotational Raman intensity-correction factors due to vibrational anharmonicity: their effect on temperature measurements," Opt. Lett. 7, 440-441 (1982)

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  1. R. E. Teets, J. H. Bechtel, “Coherent anti-Stokes Raman spectra of oxygen atoms in flames,” Opt. Lett. 6, 458 (1981). [CrossRef] [PubMed]
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