The mechanism of filamentation formed by femtosecond pulse laser beam propagating in atmosphere is investigated.

分飞秒激光脉冲在大气中传输时光丝的形成机理。

This article discusses the femto-chemistry, because it involves femtosecond laser pulses, and its research or monitor into chemical processes of transition state and intermediate.

论由飞秒激光脉冲所构成的飞秒化,及其对化过渡状态或中间体的研究和检测。