UDC 53
CSCSTI 29.00
Russian Classification of Professions by Education 03.00.00
Russian Library and Bibliographic Classification 22
Russian Trade and Bibliographic Classification 61
BISAK SCI053000 Physics / Optics & Light
The molecular oxygen absorption spectra were recorded in the range of 7800 – 7990 cm–1 using a Bruker IFS 125 HR Fourier spectrometer. The spectra were recorded at a spectral resolution of 0.01 cm–1, a room temperature and an optical path length of 2880 cm for 5 values of oxygen pressure. The values of intensities, broadening and shift coefficients and parameters characterizing the dependence of broadening on the velocity of colliding molecules were determined for 55 O2 absorption lines broadened by self pressure. The measured parameters were compared with the values presented in the HITRAN database and literary sources.
absorption spectra, molecular oxygen, Fourier spectrometer
1. Gamache R., Goldman A. Einstein A coefficient, integrated band intensity, and population factors: application to the a1Δg−X3Σg−(0,0) O2 band // JQSRT. 2001. V. 69, N 4. P. 389–401. DOI:https://doi.org/10.1016/S0022-4073(00)00072-8.
2. Hartmann J.M., Sironneau V., Boulet C., Svensson T., Hodges J.T., Xu C.T. Collisional broadening and spectral shapes of absorption lines of free and nanopore-confined O2 gas // Phys. Rev. A. 2013. V. 87. P. 032510. DOI:https://doi.org/10.1103/PhysRevA.87.032510.
3. Lamouroux J., Sironneau V., Hodges J.T., Hartmann J.M. Isolated line shapes of molecular oxygen: requantized classical molecular dynamics calculations versus measurements // Phys. Rev. A. 2014. V. 89. P. 042504. DOI:https://doi.org/10.1103/PhysRevA.89.042504.
4. Mendonca J., Strong K., Wunch D., Toon G.C., Long D.A., Hodges J.T., Sironneau V.T., Franklin J.E. Using a speed-dependent Voigt line shape to retrieve O2 from total carbon column observing network solar spectra to improve measurements of XCO2 // Atmos. Meas. Tech. 2019. V. 12, N 1. P. 35–50. DOI:https://doi.org/10.5194/amt-12-35-2019.
5. Konefał M., Kassi S., Mondelain S., Campargue A. High sensitivity spectroscopy of the O2 band at 1.27 µm: (I) pure O2 line parameters above 7920 cm−1 // JQSRT 2020. V. 241. P. 106653. DOI:https://doi.org/10.1016/j.jqsrt.2019.106653.
6. Newman S.M., Orr-Ewing A.J., Newnham D.A., Ballard J. Temperature and Pressure Dependence of Line Widths and Integrated Absorption Intensities for the O2 a^1 Δ_g-X^3 Σ_g^-, (0,0) Transition // J. Phys. Chem. 2000. V. 104, N. 42. P. 9467–9480. DOI:https://doi.org/10.1021/jp001640r.
7. Tran D.D., Tran H., Vasilchenko S., Kassi S., Campargue A., Mondelain D. High sensitivity spectroscopy of the O2 band at 1.27 μm: (II) air-broadened line profile parameters // JQSRT. 2020. V. 240. P. 106673. DOI:https://doi.org/10.1016/j.jqsrt.2019.106673.
8. Fleurbaey H., Reed Z.D., Adkins E.M., Long D.A., Hodges J.T. High accuracy spectroscopic parameters of the 1.27 μm band of O2 measured with comb-referenced, cavity ring-down spectroscopy // JQSRT. 2021. V. 270. P. 107684. DOI:https://doi.org/10.1016/j.jqsrt.2021.107684.
9. Tran D.D., Delahaye T., Armante R., Hartmann J.-M., Mondelain D., Campargue A., Fleurbaey H., Hodges J.T., Tran H. Validation of spectroscopic data in the 1.27 μm spectral region by comparisons with ground-based atmospheric measurements // J. Quant. Spectrosc. Radiat. Transfer. 2021. V. 261. P. 107495. DOI:https://doi.org/10.1016/j.jqsrt.2020.107495.
10. Cheah S.-L., Lee Y.-P., Ogilvie J.F. Wavenumbers, strengths, widths and shifts with pressure of lines in four bands of gaseous 16O2 in the systems a^1 Δ_g-X^3 Σ_g^- i b^1 Σ_g^+-X^3 Σ_g^- // JQSRT. 2000. V. 64. 467–482. DOI:https://doi.org/10.1016/S0022-4073(99)00126-0.
11. Lafferty W.J., Solodov A.M., Lugez C.L., Fraser G.T. Rotational line strengths and self-pressure-broadening coefficients for the 1.27-μm, a^1 Δ_g-X^3 Σ_g^-, 0–0 band of O2 // Applied Optics. 1998. V. 37, N 12. P. 2264–2270. DOI:https://doi.org/10.1364/AO.37.002264.
12. Gordon I.E, Rothman L.S. et al The HITRAN2020 molecular spectroscopic database // JQSRT. 2022. V. 277. P. 107949. DOI:https://doi.org/10.1016/j.jqsrt.2021.107949.
13. Deichuli V.M., Petrova T.M., Solodov A.M., Solodov A.A., Starikov V.I. Measurements of air-broadening parameters of water vapour transitions in the 5090–7490 cm−1 spectral region. //Mol. Phys. 2023. V. 121 P. 5-15.
