这种高亮度的激光脉冲可以产生自聚焦效应（Self-Focusing Effect），也就是说在传播的过程中，光束不断地变窄变亮，这是因为激光在空气中的速度取决于空气的密度。
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thermal self-focusing effect 热自聚焦效应
nonlinear self-focusing effect 非线性自聚焦效应
Electric voltage controlled self-focusing effect 电控自聚焦效应
kerr effect self-focusing 克尔效应自聚焦
The basic equations for relativistic self-focusing include the nonlinear source term and the effect of diffraction.
相对论自聚焦的基本方程包括非线性源项和衍射的影响。
The results showed that the effect of group velocity dispersion(GVD) on the pulse with large chip was slight and the effect of spectral width on the self-focusing properties could be ignored.
研究结果表明，群速度色散（GVD）对大啁啾脉冲的影响很小，谱宽对自聚集的影响可以忽略。
It is shown that the phenomenon is due to self-induced action in alternative magnetic field of electric solenoid and is of no effect to the point of magnetic focusing.
结果表明，此现象产生于螺线管交变磁场中的自感应作用，对于碰聚焦点不产生影响。
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