Spectroscopic manifestations of saturation of optical transitions by spontaneous emission |
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| Authors: | É G Saprykin S N Seleznev V A Sorokin |
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| Institution: | (1) Novosibirsk State University, Novosibirsk, 630090, Russia;(2) Institute of Automation and Electrometry, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia |
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| Abstract: | Stimulated absorption of spontaneous emission of a gas-discharge plasma can cause a significant increase in the population of the emitting states, compared to their population determined by inelastic collisions and spontaneous decay from upper levels. By imposing a magnetic field, this self-saturation is reduced and its contribution to the level population can be identified. The magnetic-field-dependent changes in Doppler profiles due to radiative transitions caused by saturating spontaneous emission are analyzed in the case of absorption of a weak monochromatic wave. |
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