Spectral and Time-Resolved Studies of Green Cs_{2} Fluorescence

• Authors: B. Bieniak , M. Głódź , W. Jastrzębski , J. Szonert
• Languages of publication: EN

Abstracts

EN

The origin and dynamic properties of the green fluorescence of Cs_{2} excited by laser lines in the 457-488 nm range are studied. Emphasis is placed on the analysis of the 501-527 nrn range. The identified fluorescence line progressions are attributed to the E'(3)^{1}П_{u} → X^{1}∑^{+}_{g} transition. An extension of the attractive branch of the E'(3)^{1}П_{u} potential towards longer inter-nuclear distances is reconstructed by the semi-classical method. A narrow feature at 522 nm is found to be connected with a minimum of the difference potentiał. The lifetime values are measured. The multicomponent fluorescence decays are interpreted as evidence of perturbations of the E'(3)^{1}П_{u} state by a number of bound and repulsive states of dicherent symmetry. The predissociation rates are estimated.

Keywords

EN

33.20.Kf; 34.50.Gb

Discipline

• 33.20.Kf: Visible spectra
• 34.50.Gb: Electronic excitation and ionization of molecules

• Journal: Acta Physica Polonica A
• Year: 1993
• Volume: 84
• Issue: 2
• Pages: 229-246

Dates

published

1993-08

received

1992-12-29

(unknown)

1993-04-30

Contributors

author

B. Bieniak

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

M. Głódź

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

W. Jastrzębski

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

J. Szonert

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

Identifiers

DOI

10.12693/APhysPolA.84.229