The numerical results show that the lasing threshold of an eigenmode depends on the EGDF, different eigenmode has different value of EGDF.

有效增因子描述了光子晶体中增介质的空特性。

Chemical laser is characteristically energized by an exoergic chemical reaction which produces the nece ssary population inversion of lasing species.

化学激光器是以释能化学反能源, 并且以化学反产生粒子数反转为基础的。