The strong probe field is coupled to the strong transition and creates two dressed states, the level spacing of which is far larger than the atomic decay rates.
强探测场与弱跃迁进行共振耦合产生两个修饰态，修饰态间距远大于原子衰减速率。
2
In this paper, according to the experimental results of 22 beams, we probe into the influence of concrete cover thickness on crack width and crack spacing.