Calculation of the water vapor line intensities for rotational transitions between high-excited energy levels

O. V. Egorov; O. K. Voitsekhovskaya; D. E. Kashirskii

doi:10.1117/12.2205411

19 November 2015 Calculation of the water vapor line intensities for rotational transitions between high-excited energy levels

O. V. Egorov, O. K. Voitsekhovskaya, D. E. Kashirskii

Author Affiliations +

Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 968005 (2015) https://doi.org/10.1117/12.2205411
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

The intensities of water vapor in the range of pure rotational transitions were calculated up to high quantum numbers (J^max ~ 30 and K_a^max~ 25). The diagonalization of the effective rotational Hamiltonian, approximated by Pade-Borel method, is applied to obtain the eigenvectors. The centrifugal distortion perturbations in line intensities were taken into account by the traditional equations for matrix elements of the transformed dipole moment, including eight parameters, and previously developed by authors Pade approximant. Moreover, to conduct the calculations, the rotational wavefunctions of the symmetric rotor molecule were applied. The results were compared with the known theoretical data.

Citation Download Citation

O. V. Egorov, O. K. Voitsekhovskaya, and D. E. Kashirskii "Calculation of the water vapor line intensities for rotational transitions between high-excited energy levels", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 968005 (19 November 2015); https://doi.org/10.1117/12.2205411

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