Influence of nonmonochromaticity of the pump on the gain of monochromatic Stokes radiation
Zubarev I.G., Mironov A.B., Mikhailov S.I.
Direct measurements were made of the SRS gain at different statistical properties of the amplified signal and of the exciting radiation. The presence of a "critical intensity" and of its dependence on the pump line width is demonstrated. A broadening of the spectrum of a monochromatic Stokes signal in the course of amplification was observed.
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![](/ps/1807/article_27616_800_head.png "Direct measurements were made of the SRS gain at different statistical properties of the amplified signal and of the exciting radiation. The presence of a "critical intensity" and of its dependence on the pump line width is demonstrated. A broadening of the spectrum of a monochromatic Stokes signal in the course of amplification was observed.")