Wang Changxin, Fu Ensheng, Wang Bunwen. Saturation effect in optically pumped far-infrared lasers[J]. Chinese Journal of Lasers, 1988, 15(6): 321
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Dressed-atom approach is used to study the saturation effect of an optically pumped three-level system. The samal signal gain containing two different saturation factors has been obtained, which may be conveniently applied to analyze different saturation behavior of the Baman and line-center transitions in optically pumped far-infrared lasers.