Laser-induced resonant multiphoton and collisional ionizations of rubidium atoms

S. A. Bakhramov; E. V. Vaganov; A. M. Kokhkharov; O. R. Parpiev

doi:10.1117/12.468948

29 May 2002 Laser-induced resonant multiphoton and collisional ionizations of rubidium atoms

S. A. Bakhramov, E. V. Vaganov, A. M. Kokhkharov, O. R. Parpiev

Proceedings Volume 4748, ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures; (2002) https://doi.org/10.1117/12.468948
Event: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001), 2001, Minsk, Belarus

Abstract

Rubidium vapor (10¹¹ - 10¹⁴ cm^-3) was irradiated by a dye-laser beam (10 kW(DOT)cm^-2 - 2 MW(DOT)cm^-2, pulse duration approximately 30 nsec, linewidth <EQ 0.25 cm^-1), which was tuned to the D_1,2-resonance lines. The mutual competition of the two photon ionization, associative ionization and Penning ionization of the laser excited rubidium atoms was investigated. The data of laser intensities and a rubidium vapor concentrations, which results in domination of the each ionization channels were founded. On the basis of the received experimental results, the cross-section values for the multiphoton and collisional ionization channels of laser-excited atoms were determined.

Citation Download Citation

S. A. Bakhramov, E. V. Vaganov, A. M. Kokhkharov, and O. R. Parpiev "Laser-induced resonant multiphoton and collisional ionizations of rubidium atoms", Proc. SPIE 4748, ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures, (29 May 2002); https://doi.org/10.1117/12.468948

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