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Optics and Spectroscopy

Magnetooptic resonances in dichroism and birefringence related to the self-alignment of atoms in a discharge at an arbitrary orientation of the magnetic field

Э. Г. Сапрыкин, S. N. Seleznev, V. A. Sorokin

Published Aug 1, 2001• 1 citation
Publisher

Abstract

Variations in structure of the magnetooptic resonances, formed by a transverse magnetic field in the presence of an additional field of arbitrary orientation, are analyzed. These resonances are shown to be sensitive to the type of excitation anisotropy. The ways of detecting false magnetic fields are proposed.
DOI
10.1134/1.1397913

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A theoretical analysis is made of the resonant interaction between a traveling monochromatic light wave of arbitrary intensity and polarization and the 1/21/2 and 10 transitions in gas atoms in a magnetic field. An analysis is made of the influence of atomic collisions and coherence of the Zeeman sublevels of the terms on the structure of nonlinear magnetooptic resonances in the amplitude and polarization characteristics of the wave. Some features of nonlinear magnetooptic resonances for laser excitation of atoms from the ground state are noted. A study is made of the Faraday rotation and self-rotation of the polarization ellipse of the radiation as a function of the detuning of the wave frequency, the saturation parameter, and the optical density of the gas. The stability of the polarization of light in the medium is discussed. It is noted that these laws may be used to analyze and control the radiation characteristics of lasers and amplifiers when the level of saturation of a resonant gaseous medium in a magnetic field is high.
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