Characterization of interatomic potentials of CdRg and Zn2 molecules produced in supersonic beams

M. Ruszcak; Jaroslaw Koperski

doi:10.1117/12.618787

22 April 2005 Characterization of interatomic potentials of CdRg and Zn₂ molecules produced in supersonic beams

M. Ruszcak, Jaroslaw Koperski

Proceedings Volume 5830, 13th International School on Quantum Electronics: Laser Physics and Applications; (2005) https://doi.org/10.1117/12.618787
Event: 13th International School on Quantum Electronics: Laser Physics and Applications, 2004, Bourgas, Bulgaria

Abstract

The supersonic beam method combined with techniques of laser spectroscopy has been used for determination of the excited-state interatomic potentials of the heteronuclear CdRg (Rg=rare gas: Ar and Kr) and homonuclear Zn₂ van der Waals (vdW) molecules. In the experiments, the CdRg or Zn₂ molecules were produced in a free-jet supersonic beam. The dimers were excited with a dye-laser beam in a vacuum chamber and the resulting total fluorescence emitted perpendicularly to the direction of the molecular and laser beams was recorded with a photomultiplier. Unstructured bound-free profiles in the CdRg that were first-time detected in the excitation at D¹0⁺(¹Σ⁺)←X¹0⁺(¹Σ⁺) transition as well as well-resolved bound-bound vibrational transitions in the Zn₂ detected at the ³0⁺_u(³Π_u)←X¹0⁺_g(¹Σ⁺_g transition are presented. Analysis of the bound-free excitation spectra yielded information on the repulsive wall of the D¹0⁺-state potential in CdAr and CdKr, whereas analysis of the bound-bound excitation spectra lead to the determination of the ³0⁺_u-state potential parameters in Zn₂.

Citation Download Citation

M. Ruszcak and Jaroslaw Koperski "Characterization of interatomic potentials of CdRg and Zn₂ molecules produced in supersonic beams", Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); https://doi.org/10.1117/12.618787

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