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Proceedings Paper

Laser-induced resonant multiphoton and collisional ionizations of rubidium atoms
Author(s): S. A. Bakhramov; E. V. Vaganov; A. M. Kokhkharov; O. R. Parpiev
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Paper 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 D1,2-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.

Paper Details

Date Published: 29 May 2002
PDF: 6 pages
Proc. SPIE 4748, ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures, (29 May 2002); doi: 10.1117/12.468948
Show Author Affiliations
S. A. Bakhramov, NPO Akadempribor (Uzbekistan)
E. V. Vaganov, NPO Akadempribor (Uzbekistan)
A. M. Kokhkharov, Uzbekistan Academy of Sciences (Russia)
O. R. Parpiev, Uzbekistan Academy of Sciences (Russia)

Published in SPIE Proceedings Vol. 4748:
ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures

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