Li Zhen-sheng, Cheng Juan, W. Zhihua, Luo Shi-rong, Yang Jing-guo
The efficient amplification of stimulated Raman scattering in Acetone enhanced by dicyanomethylene(DCM) dye fluorescence and the amplification characteristics are reported in this paper. Under the various concentrations of DCM, various inte nsities of input Stokes signal and various pump laser intensities, the input and output Stokes wave intensities are measured in the experiment. At the concentration of 2×10 -4 mol/L for DCM solution in ethanol, the bigg est enhan cement factor of Stokes wave reaches 57 The higher the intensity of pump l aser or input Stokes signal, the higher the intensity of output Stokes wave, an d if the input Stokes is too high, the enhancement coefficient may decrease, the so-called enhancement saturation.
本文报道了二氰胺(DCM)染料荧光对丙酮中受激拉曼散射的有效放大及其放大特性。在不同浓度的DCM、不同强度的输入Stokes信号和不同强度的泵浦激光下，实验测量了输入和输出Stokes波强度。在乙醇中DCM溶液浓度为2×10 -4 mol/L时，Stokes波的强化系数最大达到5 μ m /L，泵浦激光或输入Stokes信号的强度越高，输出Stokes波的强度越高，如果输入Stokes信号过高，则增强系数可能会降低，即所谓的增强饱和。
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