Collision-induced energy transfer in intermediate excited states of cesium

M. Lukaszewski; I. Jackowska

doi:10.1117/12.155644

24 September 1993 Collision-induced energy transfer in intermediate excited states of cesium

M. Lukaszewski, I. Jackowska

Proceedings Volume 1711, High-Performance Optical Spectrometry; (1993) https://doi.org/10.1117/12.155644
Event: High Performance Optical Spectrometry, 1992, Warsaw, Poland

Abstract

We report an application of laser spectroscopy techniques to a study of collision-induced interactions in atomic excited states. Due to pulsed dye laser excitation a considerable selective population of highly excited states of ccsium is obtained. Collision-induced transfer of excitation energy between the excited states results in modifications in time and spectral characteristics of observed atomic fluorescence. Quantitative information on the efficiency of collisional processes can be obtained from the measurements of time constants of the time-resolved fluorescence signals and/or from those of the integrated intensities of the fluorescence lines. Both possibilities are used in the present work. Perturbation of nD (n=8-14) and nS (n=1O-15) states of cesium in collisions with noble-gas atoms is investigated. The cross sections for the transfer of excitation between fine-structure substates of the nD states (J mixing) and for the nS-(n-4)F intermultiplet transfer are obtained.

Citation Download Citation

M. Lukaszewski and I. Jackowska "Collision-induced energy transfer in intermediate excited states of cesium", Proc. SPIE 1711, High-Performance Optical Spectrometry, (24 September 1993); https://doi.org/10.1117/12.155644

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