...脉冲激光能量密度 Raman谱 X射线衍射谱 [gap=935]Keywords : thin films;nano-crystalline silicon;pulse laser energy intensity;Raman spectra;X-ray diffraction spectra ..
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The intensity of terahertz waves tends to saturate with the increase of laser pulse energy.
此外，逐步增大激光脉冲能量，会发现辐射的太赫兹波强度存在一个饱和特性。
Under the different laser parameters, the electron energy gain depends on the laser intensity, focal spot size and pulse width.
不同激光参鼍条件下，得到了电子的能量增益与激光强度、焦斑大小和脉冲宽度关系。
The general formulae which represent the critical intensity of the laser pulse for the acceleration and the corresponding energy gain of the particles are derived.
导出了电子获得加速所需的激光强度阈值及相应的电子能量增益的一般解析表达式。
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