The fast - ignition technique is more like a petrol engine : first the fuel is compressed and only then is it ignited by a second laser pulse ? acting as a spark plug ? that is fired through a hole in the pellet 快速点燃法更象汽油发动机：首先压缩燃料，此后才通过燃料球上的一个小孔，用第二的激光脉冲发射器发射激光? ?起点火器的作用? ?将其点燃。
