When such a powerful laser pulse propagates through the plasma, it becomes both shorter and narrower, creating a large electron bubble that traps electrons from the plasma.

• 当如此强大的雷射脉冲传递到电浆的时候，脉冲会变得更短更窄，创造出一个很大的电子泡泡，而可以从电浆中抓住电子。