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CAOL . International Conference on Advanced Optoelectronics and Lasers

Theoretical calculation of energy dependency of sodium quasilevels at resonance excitement

Л. С. Гайда, A.A. Aphanasiev, А. Ч. Свистун

Published Jul 8, 2004• 1 citation
Publisher

Abstract

The analysis of rearrangement of multiplet structure in a resonant light field is of great importance in theoretical and experimental spectroscopy. In the work the computational methods of calculating quasienergetic spectrum of the atom based on nonsteady theory of a disturbance are considered
DOI
10.1109/caol.2003.1251265

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We report an experimental analysis of a structure induced by a Nd:YAG laser embedding the sodium excited state in the ionization continuum. The induced structure is probed from the ground state via a one-photon ionization. The experiment is performed on an atomic beam apparatus which uses a time-of-flight spectrometer for energy analysing the emitted photoelectrons. The selectivity of this technique provides the best measurement of a laser-induced resonance in the photoionization spectrum reported to date. A good agreement is found between the theory and experimental results.