Finally, we study the effect of longitudinal wakefield in the propagation of intense laser in plasma and find that this effect leads to asymmetric self-phase modulation of the pulse.
最后研究了尾波场效应对激光传输的影响，发现纵向尾波场效应将导致激光脉冲不对称自相位调制。
参考来源 - 强激光在电离气体及等离子体介质中的传输研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同时发现在稀薄等离子体中激发的尾波势场与等离子体的密度几乎无关，而激发的尾波场最大电场强度与等离子体的密度有关。
In rare plasma, the strength of the wake-field depends on the background plasma density, while the maximum wake potential of wake-field is dependent on it.
对于更短的强激光脉冲，脉冲内电子的有质动力加速占据主导地位，加速电子能够有很高的能量，而此时尾波场加速则变得很弱。
For a sufficiently short and intense laser, there is strong acceleration of the electron inside the laser pulse, and the corresponding wake field acceleration becomes much weaker.
高时空分辨率的NPLS图像再现了激波、膨胀波、边界层及尾迹等流场结构。
NPLS images at high spatiotemporal resolution reveal shockwave, expansion wave, boundary layer and wake in the flow.
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