摘要
讨论相干脉冲在通过初始处于迭加态被微波场驱动的三能级原子系统时，所产生的自感应透明现象。
The generalized optical area theorem are derived and the self induced transparency is studied in ∧ type degenerate quantum beat three levelatomic systems (drived by a microwave field) with a mixed state at initial time.
