Laser-induced fluorescence of PO photofragments of organophosphates S. M. Bobrovnikov, E. V. Gorlov, V. I. Zharkov, A. D. Safyanov
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ArticleContent type: Текст Media type: электронный Subject(s): фосфорорганические соединения | лазерная фрагментация | оксид фосфора | лазерно-индуцированная флуоресценцияGenre/Form: статьи в журналах Online resources: Click here to access online
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Atmospheric and oceanic optics Vol. 35, № 6. P. 639-644Abstract: The spectrum of phosphorus monoxide (PO) fluorescence is calculated. It is shown that the use of excitation radiation at wavelengths near the bandheads of the (P22 + Q12) and P12 branches of the A2Σ+ (v′ = 0) − X2Π3/2 (v′′ = 0) band provides a spectral separation of the γ (0, 1) PO fluorescence band and the vibrational–rotational Raman spectrum of oxygen. The spectra of the γ (0, 1) fluorescence band of PO fragments of dimethylmethylphosphonate and the vibrational-rotational band of spontaneous Raman scattering on atmospheric oxygen molecules are experimentally obtained under exposure to KrF-laser radiation at a wavelength of 247.78 nm. It is shown that the shape and position of the fluorescence spectra calculated agree well with the experimental data.
Библиогр.: 34 назв.
The spectrum of phosphorus monoxide (PO) fluorescence is calculated. It is shown that the use of excitation radiation at wavelengths near the bandheads of the (P22 + Q12) and P12 branches of the A2Σ+ (v′ = 0) − X2Π3/2 (v′′ = 0) band provides a spectral separation of the γ (0, 1) PO fluorescence band and the vibrational–rotational Raman spectrum of oxygen. The spectra of the γ (0, 1) fluorescence band of PO fragments of dimethylmethylphosphonate and the vibrational-rotational band of spontaneous Raman scattering on atmospheric oxygen molecules are experimentally obtained under exposure to KrF-laser radiation at a wavelength of 247.78 nm. It is shown that the shape and position of the fluorescence spectra calculated agree well with the experimental data.
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