As in a laser wakefield accelerator, when the driver pulse is focused into the plasma, it produces a wakefield bubble (provided that the beam is denser than the plasma).

• 在雷射尾迹场加速器中，当驱动脉冲聚焦到电浆后，会产生一个尾迹场泡泡（假设电子束的密度比电浆要来的大）。