So by this scheme, we extend the duration of driving pulse from 6fs to 12fs to generate single attosecond pulse.
从而扩展获得孤立阿秒脉冲所需脉宽从6飞秒到12飞秒。
It is shown that by adopting particular combined pulse with 12 optical cycles, single attosecond pulse can be obtained.
研究发现，当采用12个光学周期的特定组合脉冲时，孤立阿秒脉冲可以实现。
As an attosecond ultrafast modulation process, SFPB can be extended intrinsically to any sum-frequency of energy-levels.
SFPB作为一种阿秒超快调制过程，从理论上说它可以扩展到任何和频能级系统。
应用推荐