Laser-induced fluorescence of gaseous PbS

A molecular beam of PbS molecules was excited by a CW Ar + laser in single and multimode operation. Fluorescence spectra induced by the 4880 AA line were recorded and four fluorescence series originating from the nu =7, 8 and 9 levels of the A0 + state were analysed. Using a pulsed dye laser, lifeti...

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Bibliographic Details
Published in:Journal of physics. B, Atomic and molecular physics Atomic and molecular physics, 1980-10, Vol.13 (19), p.3783-3795
Main Authors: Burtin, B, Carleer, M, Colin, R, Dreze, C, Ndikumana, T
Format: Article
Language:English
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Summary:A molecular beam of PbS molecules was excited by a CW Ar + laser in single and multimode operation. Fluorescence spectra induced by the 4880 AA line were recorded and four fluorescence series originating from the nu =7, 8 and 9 levels of the A0 + state were analysed. Using a pulsed dye laser, lifetimes of the nu =4, 5, 6, 7 and 8 level of the A0 + state, the nu =0, 1, 2 and 3 levels of the B1 state and the nu =21 level of the a1 state were measured. The electronic transition moments of the a-X, A-X and B-X transitions were calculated and the lifetimes of the a, A and B states of PbS are compared with those of PbO.
ISSN:0022-3700
DOI:10.1088/0022-3700/13/19/016