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Proceedings Paper

Two-photon magneto-optical effects in atomic gases in resonant laser and strong magnetic fields
Author(s): Tamara Ya. Karagodova; Alexander I. Karagodov; Andrey A. Eliseev
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Paper Abstract

The theory of interaction of intense bichromatic field of laser radiation with multilevel atomic system in the external magnetic field is considered. The magnitudes of interaction are much larger than the width of atomic levels. The vector-potential of radiation field consisting of two monochromatic components with the frequencies resonant to adjacent transitions is taken in electric dipole approximation. The eigenvalues and eigenstates of the Hamiltonian, including spin-orbit interaction and interactions with laser radiation and external magnetic fields, are found without perturbation theory using resonant approximation. When the effects of resonantly excited radiation are considered the Hamiltonian of interaction with the weak field of scattered radiation is included also. Its eigenfunctions are found with the help of perturbation theory. We consider tow types of effects: polarization effects and effects of resonantly excited radiation. As the atomic system is multilevel we use the numerical methods. The influence of the magnetic field on coherent population trapping effect for multilevel systems is considered. Some of our theoretical results coincide with known experimental ones.

Paper Details

Date Published: 4 May 2000
PDF: 10 pages
Proc. SPIE 3931, Gas, Chemical, and Electrical Lasers and Intense Beam Control and Applications, (4 May 2000); doi: 10.1117/12.384281
Show Author Affiliations
Tamara Ya. Karagodova, Saratov State Technical Univ. (Russia)
Alexander I. Karagodov, Saratov State Technical Univ. (Russia)
Andrey A. Eliseev, Saratov State Technical Univ. (Russia)

Published in SPIE Proceedings Vol. 3931:
Gas, Chemical, and Electrical Lasers and Intense Beam Control and Applications
Santanu Basu; Santanu Basu; Steven J. Davis; Ernest A. Dorko, Editor(s)

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