The most obviously difference of DRO and SRO is that when the pump power ishigher and the crystal length is longer, the efficiency curves become smooth but not descend in comparing SRO to that of DRO.

• 在对单谐振和双谐振的振荡阈值和转换效率的理论研究中，得到了单谐振与双谐振不同的是：在单谐振情况下，随泵浦强度、晶体长度的增加，转换效率曲线只有饱和的趋势，而无下降趋势的结论。