Experimental investigation and computer simulation of high-resolution spectra of vibrationally excited SF6 molecules

Sergey Sergeivich Alimpiev; G. S. Baronov; D. K. Bronnikov; A. E. Varfolomeev; Ivan I. Zasavitskii; Sergey M. Nikiforov; Boris G. Sartakov; A. P. Shotov

doi:10.1117/12.140322

1 April 1992 Experimental investigation and computer simulation of high-resolution spectra of vibrationally excited SF₆ molecules

Sergey Sergeivich Alimpiev, G. S. Baronov, D. K. Bronnikov, A. E. Varfolomeev, Ivan I. Zasavitskii, Sergey M. Nikiforov, Boris G. Sartakov, A. P. Shotov

Author Affiliations +

Proceedings Volume 1724, Tunable Diode Laser Applications; (1992) https://doi.org/10.1117/12.140322
Event: Tunable Diode Laser Applications, 1993, Moscow, Russian Federation

Abstract

The high resolution spectra of the 1 - 2 and 2 - 3 transitions between excited vibrational levels of SF₆ molecules cooled to T equals 30 K in supersonic jets have been experimentally investigated by the double resonance method. A tunable high pressure CO₂ laser was used to excite molecules and the excited transitions were probed with a tunable diode laser. A computer simulation of the experimental spectra has been made. The agreement of the experimental and calculated spectra was attained with an accuracy of 10^-3 cm^-1, while the values of anharmonicity constants for the (nu) ₃ mode of the SF₆ molecule were refined. The matrix elements of the dipole moment of the excited transitions and the wide range spectra of 1 - 2, 2 - 3, 3 - 4 transitions in SF₆ were also calculated.

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Sergey Sergeivich Alimpiev, G. S. Baronov, D. K. Bronnikov, A. E. Varfolomeev, Ivan I. Zasavitskii, Sergey M. Nikiforov, Boris G. Sartakov, and A. P. Shotov "Experimental investigation and computer simulation of high-resolution spectra of vibrationally excited SF₆ molecules", Proc. SPIE 1724, Tunable Diode Laser Applications, (1 April 1992); https://doi.org/10.1117/12.140322

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