Abstract

Absolute intensities for 430 transitions belonging to eleven rotation–vibration bands of 12C16O2, 13C16O2, and 16O12C18O in the 3140–3410-cm−1 spectral region have been determined by analyzing spectra recorded at 0.01-cm−1 resolution with the Fourier transform spectrometer in the McMath solar telescope complex at the National Solar Observatory on Kitt Peak. The data were recorded at room temperature and low pressures (<10 Torr) using a natural sample of carbon dioxide. Intensities were derived using a nonlinear least-squares spectral fitting procedure, and the values obtained for each band have been analyzed to determine the vibrational band intensity and nonrigid rotor coefficients. An alternative mathematical formulation is shown in the case of bands for which the Coriolis effect is large and the Q-branch line intensities were not determinable either because they were severely blended or absent from the spectra. Comparisons are made between the results obtained in this study and other published values.

© 1988 Optical Society of America

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References

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  1. C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide,” Appl. Opt. 23, 2051 (1984).
    [CrossRef] [PubMed]
  2. C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide: Feb. 1984 Edition,” NASA Tech. Memo. 85764 (NASA Langley Research Center, Hampton, VA, Feb.1984).
  3. C. P. Rinsland, D. C. Benner, D. J. Richardson, R. A. Toth, “Absolute Intensity Measurements of the (1110)II ← 00°0 Band of 12C16O2 at 5.2 μm,” Appl. Opt. 22, 3805 (1983).
    [CrossRef] [PubMed]
  4. V. Malathy Devi, C. P. Rinsland, D. C. Benner, “Absolute Intensity Measurements of CO2 Bands in the 2395–2680-cm−1 Region,” Appl. Opt. 23, 4067 (1984).
    [CrossRef]
  5. C. P. Rinsland, D. C. Benner, “Absolute Intensities of Spectral Lines in Carbon Dioxide Bands Near 2050 cm−1,” Appl. Opt. 23, 4523 (1984).
    [CrossRef] [PubMed]
  6. C. P. Rinsland, D. C. Benner, V. Malathy Devi, “Measurements of Absolute Line Intensities in Carbon Dioxide Bands Near 5.2 μm,” Appl. Opt. 24, 1644 (1985).
    [CrossRef] [PubMed]
  7. D. C. Benner, C. P. Rinsland, “Identification and Intensities of the ‘Forbidden’ 3ν23 Band of 12C16O2,” J. Mol. Spectrosc. 112, 18 (1985).
    [CrossRef]
  8. C. P. Rinsland, D. C. Benner, V. Malathy Devi, “Absolute Line Intensities in CO2 Bands Near 4.8 μm,” Appl. Opt. 25, 1204 (1986).
    [CrossRef] [PubMed]
  9. G. Yamamoto, M. Tanaka, T. Aoki, “Estimation of Rotational Line Widths of Carbon Dioxide Bands,” J. Quant. Spectrosc. Radiat. Transfer 9, 371 (1969).
    [CrossRef]
  10. J.-M. Flaud, C. Camy-Peyret, R. A. Toth, Water Vapor Line Parameters from Microwave to Medium Infrared (Pergamon, Oxford, 1981).
  11. Š. Urban, P. Misra, K. Narahari Rao, “The ν1 + ν2 and ν1 + ν2 − ν2 Bands of 14NH3 and 15NH3,” J. Mol. Spectrosc. 114, 377 (1985).
    [CrossRef]
  12. R. Angstl et al., “Fourier Transform and CARS Spectroscopy of the ν1 and ν3 Fundamental Bands of 14NH3,” J. Mol. Spectrosc. 114, 454 (1985).
    [CrossRef]
  13. L. S. Rothman, L. D. G. Young, “Infrared Energy Levels and Intensities of Carbon Dioxide-II,” J. Quant. Spectrosc. Radiat. Transfer 25, 505 (1981).
    [CrossRef]
  14. R. A. Toth, “Wavenumbers, Strengths and Self-Broadened Widths of CO2 at 3 μm,” J. Mol. Spectrosc. 53, 1 (1974).
    [CrossRef]
  15. W. B. Olson, A. G. Maki, W. J. Lafferty, “Tables of N2O Absorption Lines for the Calibration of Tunable Infrared Lasers from 522 cm−1 to 657 cm−1 and from 1115 cm−1 to 1340 cm−1,” J. Phys. Chem. Ref. Data 10, 1065 (1981).
    [CrossRef]
  16. R. A. Toth, V. D. Gupta, J. W. Brault, “Line Positions and Strengths of HDO in the 2400–3300-cm−1 Region,” Appl. Opt. 21, 3337 (1982).
    [CrossRef] [PubMed]
  17. R. A. Toth, J. W. Brault, “Line Positions and Strengths in the (001), (110), and (030) Bands of HDO,” Appl. Opt. 22, 908 (1983).
    [CrossRef] [PubMed]
  18. R. A. Toth, “Line Strengths of N2O in the 1120–1440-cm−1 Region,” Appl. Opt. 23, 1825 (1984).
    [CrossRef] [PubMed]
  19. C. P. Rinsland, A. Baldacci, K. Narahari Rao, “Strengths of 13C16O2 Lines at 4.3 μm,” J. Mol. Spectrosc. 81, 256 (1980).
    [CrossRef]
  20. L. R. Brown, R. A. Toth, “Comparison of the Frequencies of NH3, CO2, H2O, N2O, CO, and CH4 as Infrared Calibration Standards,” J. Opt. Soc. Am. B 2, 842 (1985).
    [CrossRef]
  21. L. S. Rothman, “Infrared Energy Levels and Intensities of Carbon Dioxide. Part 3,” Appl. Opt. 25, 1795 (1986).
    [CrossRef] [PubMed]
  22. H. D. Downing, B. J. Krohn, R. H. Hunt, “Coriolis Intensity Perturbations in Π-Σ Bands of CO2,” J. Mol. Spectrosc. 55, 66 (1975).
    [CrossRef]
  23. C. L. Korb, J. W. Stafurik, R. H. Hunt, E. K. Plyler, “Collision Broadened Line Widths and the Effects of Coriolis Interaction on the Line Strengths of the 3339 cm−1 Band of CO2,” presented at Twenty-Sixth Symposium on Molecular Structure Spectroscopy, Ohio State U., Columbus (1971);see also Ref. 14.
  24. E. K. Plyler, E. D. Tidwell, W. S. Benedict, “Absorption Bands of Carbon Dioxide from 2.8–4.2μ,” J. Opt. Soc. Am. 52, 1017 (1962).
    [CrossRef]
  25. L. S. Rothman et al., “The HITRAN Database: 1986 Edition,” Appl. Opt. 26, 4058 (1987).
    [CrossRef] [PubMed]

1987 (1)

1986 (2)

1985 (5)

C. P. Rinsland, D. C. Benner, V. Malathy Devi, “Measurements of Absolute Line Intensities in Carbon Dioxide Bands Near 5.2 μm,” Appl. Opt. 24, 1644 (1985).
[CrossRef] [PubMed]

D. C. Benner, C. P. Rinsland, “Identification and Intensities of the ‘Forbidden’ 3ν23 Band of 12C16O2,” J. Mol. Spectrosc. 112, 18 (1985).
[CrossRef]

Š. Urban, P. Misra, K. Narahari Rao, “The ν1 + ν2 and ν1 + ν2 − ν2 Bands of 14NH3 and 15NH3,” J. Mol. Spectrosc. 114, 377 (1985).
[CrossRef]

R. Angstl et al., “Fourier Transform and CARS Spectroscopy of the ν1 and ν3 Fundamental Bands of 14NH3,” J. Mol. Spectrosc. 114, 454 (1985).
[CrossRef]

L. R. Brown, R. A. Toth, “Comparison of the Frequencies of NH3, CO2, H2O, N2O, CO, and CH4 as Infrared Calibration Standards,” J. Opt. Soc. Am. B 2, 842 (1985).
[CrossRef]

1984 (4)

1983 (2)

1982 (1)

1981 (2)

W. B. Olson, A. G. Maki, W. J. Lafferty, “Tables of N2O Absorption Lines for the Calibration of Tunable Infrared Lasers from 522 cm−1 to 657 cm−1 and from 1115 cm−1 to 1340 cm−1,” J. Phys. Chem. Ref. Data 10, 1065 (1981).
[CrossRef]

L. S. Rothman, L. D. G. Young, “Infrared Energy Levels and Intensities of Carbon Dioxide-II,” J. Quant. Spectrosc. Radiat. Transfer 25, 505 (1981).
[CrossRef]

1980 (1)

C. P. Rinsland, A. Baldacci, K. Narahari Rao, “Strengths of 13C16O2 Lines at 4.3 μm,” J. Mol. Spectrosc. 81, 256 (1980).
[CrossRef]

1975 (1)

H. D. Downing, B. J. Krohn, R. H. Hunt, “Coriolis Intensity Perturbations in Π-Σ Bands of CO2,” J. Mol. Spectrosc. 55, 66 (1975).
[CrossRef]

1974 (1)

R. A. Toth, “Wavenumbers, Strengths and Self-Broadened Widths of CO2 at 3 μm,” J. Mol. Spectrosc. 53, 1 (1974).
[CrossRef]

1969 (1)

G. Yamamoto, M. Tanaka, T. Aoki, “Estimation of Rotational Line Widths of Carbon Dioxide Bands,” J. Quant. Spectrosc. Radiat. Transfer 9, 371 (1969).
[CrossRef]

1962 (1)

Angstl, R.

R. Angstl et al., “Fourier Transform and CARS Spectroscopy of the ν1 and ν3 Fundamental Bands of 14NH3,” J. Mol. Spectrosc. 114, 454 (1985).
[CrossRef]

Aoki, T.

G. Yamamoto, M. Tanaka, T. Aoki, “Estimation of Rotational Line Widths of Carbon Dioxide Bands,” J. Quant. Spectrosc. Radiat. Transfer 9, 371 (1969).
[CrossRef]

Baldacci, A.

C. P. Rinsland, A. Baldacci, K. Narahari Rao, “Strengths of 13C16O2 Lines at 4.3 μm,” J. Mol. Spectrosc. 81, 256 (1980).
[CrossRef]

Benedict, W. S.

Benner, D. C.

Brault, J. W.

Brown, L. R.

Camy-Peyret, C.

J.-M. Flaud, C. Camy-Peyret, R. A. Toth, Water Vapor Line Parameters from Microwave to Medium Infrared (Pergamon, Oxford, 1981).

Downing, H. D.

H. D. Downing, B. J. Krohn, R. H. Hunt, “Coriolis Intensity Perturbations in Π-Σ Bands of CO2,” J. Mol. Spectrosc. 55, 66 (1975).
[CrossRef]

Ferry, P. S.

C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide,” Appl. Opt. 23, 2051 (1984).
[CrossRef] [PubMed]

C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide: Feb. 1984 Edition,” NASA Tech. Memo. 85764 (NASA Langley Research Center, Hampton, VA, Feb.1984).

Flaud, J.-M.

J.-M. Flaud, C. Camy-Peyret, R. A. Toth, Water Vapor Line Parameters from Microwave to Medium Infrared (Pergamon, Oxford, 1981).

Gupta, V. D.

Hunt, R. H.

H. D. Downing, B. J. Krohn, R. H. Hunt, “Coriolis Intensity Perturbations in Π-Σ Bands of CO2,” J. Mol. Spectrosc. 55, 66 (1975).
[CrossRef]

C. L. Korb, J. W. Stafurik, R. H. Hunt, E. K. Plyler, “Collision Broadened Line Widths and the Effects of Coriolis Interaction on the Line Strengths of the 3339 cm−1 Band of CO2,” presented at Twenty-Sixth Symposium on Molecular Structure Spectroscopy, Ohio State U., Columbus (1971);see also Ref. 14.

Korb, C. L.

C. L. Korb, J. W. Stafurik, R. H. Hunt, E. K. Plyler, “Collision Broadened Line Widths and the Effects of Coriolis Interaction on the Line Strengths of the 3339 cm−1 Band of CO2,” presented at Twenty-Sixth Symposium on Molecular Structure Spectroscopy, Ohio State U., Columbus (1971);see also Ref. 14.

Krohn, B. J.

H. D. Downing, B. J. Krohn, R. H. Hunt, “Coriolis Intensity Perturbations in Π-Σ Bands of CO2,” J. Mol. Spectrosc. 55, 66 (1975).
[CrossRef]

Lafferty, W. J.

W. B. Olson, A. G. Maki, W. J. Lafferty, “Tables of N2O Absorption Lines for the Calibration of Tunable Infrared Lasers from 522 cm−1 to 657 cm−1 and from 1115 cm−1 to 1340 cm−1,” J. Phys. Chem. Ref. Data 10, 1065 (1981).
[CrossRef]

Maki, A. G.

W. B. Olson, A. G. Maki, W. J. Lafferty, “Tables of N2O Absorption Lines for the Calibration of Tunable Infrared Lasers from 522 cm−1 to 657 cm−1 and from 1115 cm−1 to 1340 cm−1,” J. Phys. Chem. Ref. Data 10, 1065 (1981).
[CrossRef]

Malathy Devi, V.

Misra, P.

Š. Urban, P. Misra, K. Narahari Rao, “The ν1 + ν2 and ν1 + ν2 − ν2 Bands of 14NH3 and 15NH3,” J. Mol. Spectrosc. 114, 377 (1985).
[CrossRef]

Narahari Rao, K.

Š. Urban, P. Misra, K. Narahari Rao, “The ν1 + ν2 and ν1 + ν2 − ν2 Bands of 14NH3 and 15NH3,” J. Mol. Spectrosc. 114, 377 (1985).
[CrossRef]

C. P. Rinsland, A. Baldacci, K. Narahari Rao, “Strengths of 13C16O2 Lines at 4.3 μm,” J. Mol. Spectrosc. 81, 256 (1980).
[CrossRef]

Olson, W. B.

W. B. Olson, A. G. Maki, W. J. Lafferty, “Tables of N2O Absorption Lines for the Calibration of Tunable Infrared Lasers from 522 cm−1 to 657 cm−1 and from 1115 cm−1 to 1340 cm−1,” J. Phys. Chem. Ref. Data 10, 1065 (1981).
[CrossRef]

Plyler, E. K.

E. K. Plyler, E. D. Tidwell, W. S. Benedict, “Absorption Bands of Carbon Dioxide from 2.8–4.2μ,” J. Opt. Soc. Am. 52, 1017 (1962).
[CrossRef]

C. L. Korb, J. W. Stafurik, R. H. Hunt, E. K. Plyler, “Collision Broadened Line Widths and the Effects of Coriolis Interaction on the Line Strengths of the 3339 cm−1 Band of CO2,” presented at Twenty-Sixth Symposium on Molecular Structure Spectroscopy, Ohio State U., Columbus (1971);see also Ref. 14.

Richardson, D. J.

Rinsland, C. P.

C. P. Rinsland, D. C. Benner, V. Malathy Devi, “Absolute Line Intensities in CO2 Bands Near 4.8 μm,” Appl. Opt. 25, 1204 (1986).
[CrossRef] [PubMed]

D. C. Benner, C. P. Rinsland, “Identification and Intensities of the ‘Forbidden’ 3ν23 Band of 12C16O2,” J. Mol. Spectrosc. 112, 18 (1985).
[CrossRef]

C. P. Rinsland, D. C. Benner, V. Malathy Devi, “Measurements of Absolute Line Intensities in Carbon Dioxide Bands Near 5.2 μm,” Appl. Opt. 24, 1644 (1985).
[CrossRef] [PubMed]

C. P. Rinsland, D. C. Benner, “Absolute Intensities of Spectral Lines in Carbon Dioxide Bands Near 2050 cm−1,” Appl. Opt. 23, 4523 (1984).
[CrossRef] [PubMed]

C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide,” Appl. Opt. 23, 2051 (1984).
[CrossRef] [PubMed]

V. Malathy Devi, C. P. Rinsland, D. C. Benner, “Absolute Intensity Measurements of CO2 Bands in the 2395–2680-cm−1 Region,” Appl. Opt. 23, 4067 (1984).
[CrossRef]

C. P. Rinsland, D. C. Benner, D. J. Richardson, R. A. Toth, “Absolute Intensity Measurements of the (1110)II ← 00°0 Band of 12C16O2 at 5.2 μm,” Appl. Opt. 22, 3805 (1983).
[CrossRef] [PubMed]

C. P. Rinsland, A. Baldacci, K. Narahari Rao, “Strengths of 13C16O2 Lines at 4.3 μm,” J. Mol. Spectrosc. 81, 256 (1980).
[CrossRef]

C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide: Feb. 1984 Edition,” NASA Tech. Memo. 85764 (NASA Langley Research Center, Hampton, VA, Feb.1984).

Rothman, L. S.

Stafurik, J. W.

C. L. Korb, J. W. Stafurik, R. H. Hunt, E. K. Plyler, “Collision Broadened Line Widths and the Effects of Coriolis Interaction on the Line Strengths of the 3339 cm−1 Band of CO2,” presented at Twenty-Sixth Symposium on Molecular Structure Spectroscopy, Ohio State U., Columbus (1971);see also Ref. 14.

Sutton, C. H.

C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide,” Appl. Opt. 23, 2051 (1984).
[CrossRef] [PubMed]

C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide: Feb. 1984 Edition,” NASA Tech. Memo. 85764 (NASA Langley Research Center, Hampton, VA, Feb.1984).

Tanaka, M.

G. Yamamoto, M. Tanaka, T. Aoki, “Estimation of Rotational Line Widths of Carbon Dioxide Bands,” J. Quant. Spectrosc. Radiat. Transfer 9, 371 (1969).
[CrossRef]

Tidwell, E. D.

Toth, R. A.

Urban, Š.

Š. Urban, P. Misra, K. Narahari Rao, “The ν1 + ν2 and ν1 + ν2 − ν2 Bands of 14NH3 and 15NH3,” J. Mol. Spectrosc. 114, 377 (1985).
[CrossRef]

Yamamoto, G.

G. Yamamoto, M. Tanaka, T. Aoki, “Estimation of Rotational Line Widths of Carbon Dioxide Bands,” J. Quant. Spectrosc. Radiat. Transfer 9, 371 (1969).
[CrossRef]

Young, L. D. G.

L. S. Rothman, L. D. G. Young, “Infrared Energy Levels and Intensities of Carbon Dioxide-II,” J. Quant. Spectrosc. Radiat. Transfer 25, 505 (1981).
[CrossRef]

Appl. Opt. (11)

C. P. Rinsland, D. C. Benner, D. J. Richardson, R. A. Toth, “Absolute Intensity Measurements of the (1110)II ← 00°0 Band of 12C16O2 at 5.2 μm,” Appl. Opt. 22, 3805 (1983).
[CrossRef] [PubMed]

V. Malathy Devi, C. P. Rinsland, D. C. Benner, “Absolute Intensity Measurements of CO2 Bands in the 2395–2680-cm−1 Region,” Appl. Opt. 23, 4067 (1984).
[CrossRef]

C. P. Rinsland, D. C. Benner, “Absolute Intensities of Spectral Lines in Carbon Dioxide Bands Near 2050 cm−1,” Appl. Opt. 23, 4523 (1984).
[CrossRef] [PubMed]

C. P. Rinsland, D. C. Benner, V. Malathy Devi, “Measurements of Absolute Line Intensities in Carbon Dioxide Bands Near 5.2 μm,” Appl. Opt. 24, 1644 (1985).
[CrossRef] [PubMed]

C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide,” Appl. Opt. 23, 2051 (1984).
[CrossRef] [PubMed]

C. P. Rinsland, D. C. Benner, V. Malathy Devi, “Absolute Line Intensities in CO2 Bands Near 4.8 μm,” Appl. Opt. 25, 1204 (1986).
[CrossRef] [PubMed]

R. A. Toth, V. D. Gupta, J. W. Brault, “Line Positions and Strengths of HDO in the 2400–3300-cm−1 Region,” Appl. Opt. 21, 3337 (1982).
[CrossRef] [PubMed]

R. A. Toth, J. W. Brault, “Line Positions and Strengths in the (001), (110), and (030) Bands of HDO,” Appl. Opt. 22, 908 (1983).
[CrossRef] [PubMed]

R. A. Toth, “Line Strengths of N2O in the 1120–1440-cm−1 Region,” Appl. Opt. 23, 1825 (1984).
[CrossRef] [PubMed]

L. S. Rothman, “Infrared Energy Levels and Intensities of Carbon Dioxide. Part 3,” Appl. Opt. 25, 1795 (1986).
[CrossRef] [PubMed]

L. S. Rothman et al., “The HITRAN Database: 1986 Edition,” Appl. Opt. 26, 4058 (1987).
[CrossRef] [PubMed]

J. Mol. Spectrosc. (6)

H. D. Downing, B. J. Krohn, R. H. Hunt, “Coriolis Intensity Perturbations in Π-Σ Bands of CO2,” J. Mol. Spectrosc. 55, 66 (1975).
[CrossRef]

C. P. Rinsland, A. Baldacci, K. Narahari Rao, “Strengths of 13C16O2 Lines at 4.3 μm,” J. Mol. Spectrosc. 81, 256 (1980).
[CrossRef]

Š. Urban, P. Misra, K. Narahari Rao, “The ν1 + ν2 and ν1 + ν2 − ν2 Bands of 14NH3 and 15NH3,” J. Mol. Spectrosc. 114, 377 (1985).
[CrossRef]

R. Angstl et al., “Fourier Transform and CARS Spectroscopy of the ν1 and ν3 Fundamental Bands of 14NH3,” J. Mol. Spectrosc. 114, 454 (1985).
[CrossRef]

R. A. Toth, “Wavenumbers, Strengths and Self-Broadened Widths of CO2 at 3 μm,” J. Mol. Spectrosc. 53, 1 (1974).
[CrossRef]

D. C. Benner, C. P. Rinsland, “Identification and Intensities of the ‘Forbidden’ 3ν23 Band of 12C16O2,” J. Mol. Spectrosc. 112, 18 (1985).
[CrossRef]

J. Opt. Soc. Am. (1)

J. Opt. Soc. Am. B (1)

J. Phys. Chem. Ref. Data (1)

W. B. Olson, A. G. Maki, W. J. Lafferty, “Tables of N2O Absorption Lines for the Calibration of Tunable Infrared Lasers from 522 cm−1 to 657 cm−1 and from 1115 cm−1 to 1340 cm−1,” J. Phys. Chem. Ref. Data 10, 1065 (1981).
[CrossRef]

J. Quant. Spectrosc. Radiat. Transfer (2)

L. S. Rothman, L. D. G. Young, “Infrared Energy Levels and Intensities of Carbon Dioxide-II,” J. Quant. Spectrosc. Radiat. Transfer 25, 505 (1981).
[CrossRef]

G. Yamamoto, M. Tanaka, T. Aoki, “Estimation of Rotational Line Widths of Carbon Dioxide Bands,” J. Quant. Spectrosc. Radiat. Transfer 9, 371 (1969).
[CrossRef]

Other (3)

J.-M. Flaud, C. Camy-Peyret, R. A. Toth, Water Vapor Line Parameters from Microwave to Medium Infrared (Pergamon, Oxford, 1981).

C. P. Rinsland, D. C. Benner, V. Malathy Devi, P. S. Ferry, C. H. Sutton, D. J. Richardson, “Atlas of High Resolution Infrared Spectra of Carbon Dioxide: Feb. 1984 Edition,” NASA Tech. Memo. 85764 (NASA Langley Research Center, Hampton, VA, Feb.1984).

C. L. Korb, J. W. Stafurik, R. H. Hunt, E. K. Plyler, “Collision Broadened Line Widths and the Effects of Coriolis Interaction on the Line Strengths of the 3339 cm−1 Band of CO2,” presented at Twenty-Sixth Symposium on Molecular Structure Spectroscopy, Ohio State U., Columbus (1971);see also Ref. 14.

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Figures (3)

Fig. 1
Fig. 1

Compressed plot between 3140 and 3410 cm−1 of a spectrum recorded with 9.985 Torr of a natural sample of CO2 in a 385.76-m absorption path.

Fig. 2
Fig. 2

Portion of a laboratory spectrum (lower plot) recorded with 9.985 Torr of a natural sample of CO2 in a 385.76-m absorption path at 24.7°C. The residuals (observed minus calculated) between the observed spectrum and the calculated fit to the data are plotted in the upper panel and are expressed as a percentage of the peak measured intensity in the fitted region. Tick marks above the observed spectrum indicate the positions of the spectral lines included in the calculations.

Fig. 3
Fig. 3

Residuals β W (defined in text) as a function of m for the P and R branches of the 22202 ← 01101 band of 12C16O2.

Tables (7)

Tables Icon

Table I Summary of Experimental Conditions Used in Recording the Data

Tables Icon

Table II Range in J and Number of Unblended Lines Measured in Each Band

Tables Icon

Table III Measured Positions and Intensities of CO2 Spectral Lines

Tables Icon

Table IV Vibrational Band Intensity Sv, F-Factor Coefficients, and Integrated Intensity Sband Determined from the Analysis of CO2 Bandsa

Tables Icon

Table V Vibrational Band Intensity Sv and the Coefficients S v A 1 2b and SvA1 for Some Bands of CO2 Analyzed in this Work

Tables Icon

Table VI Comparison of 12C16O2 Vibrational Band Intensities (in 10−25 cm−1/molecule cm−2 at 296 K) and the F-Factor Coefficient A1

Tables Icon

Table VII Comparison of CO2 Band Intensity Parameter S v A 1 2 (in 10−26 cm−1/molecule cm−2 at 296 K) Obtained in this Work with That Calculated from Values Reported by Rothmana

Equations (10)

Equations on this page are rendered with MathJax. Learn more.

S i = ν i S υ L i ν 0 Q r exp ( C 2 E i / T 0 ) [ 1 exp ( C 2 ν i / T 0 ) ] F ,
L i = ( J ± l + 1 ) ( J ± l + 2 ) / ( J + 1 ) R branch , L i = ( J l ) ( J l 1 ) / J P branch , L i = ( 2 J + 1 ) ( J l ) ( J ± l + 1 ) / [ J ( J + 1 ) ] Q branch ,
F = [ 1 + A 1 m + A 2 m 2 + A 3 m 3 + A 4 J ( J + 1 ) ] 2 P and R branches F = [ 1 + A 4 J ( J + 1 ) ] 2 Q branch .
A i = { A i e for e e lines , A i e + Δ A i for f f lines .
S band = J S ( J ) + m S ( m ) .
β = ( S obs S calc ) / S calc .
F { ( 1 + A 1 m ) 2 P and R branches 1 Q branch .
F ( 1 + A 1 m ) 2 1 + 2 A 1 m + A 1 2 m 2 .
F A 1 2 m 2 + 2 A 1 m .
S i = K S υ A 1 2 m 2 + K S υ A 1 m ,

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