分析了单透镜色差和群速度色散对超短脉冲高斯光束聚焦的时间分布及脉冲波面的影响 ；
The influence of lens dispersion up to second order on the spatial and temporal intensity distribution of the femtosecond Gaussian beam was analyzed.
粒径分布窄，颜色鲜艳度高，批次间颜色稳定，色差较小；
Narrow particle size distribution, brilliant color, stable color batches and minor color difference.
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