经分析选取了激发光强、覆盖率和物镜的数值孔径作为实验研究对象。
After analyzed, the exciting laser intensity, the coverage rate and the numerical aperture of objectives are selected for experimental research.
荧光强度与激发光强度的三次方关系表明，有效的荧光产生起源于三阶非线性光学效应的增强。
The intensity dependence of integrated luminescence on pump power shows that this is a third-order nonlinear optical effect.
随着光激发强度的增加，紫光发射强度超线性增强，且稍有蓝移，而紫外光发光强度则近似线性增加。
With an increase in intensity of the excitation light, the violet emission peak increases super linearly and the UV emission increases linearly.
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