利用激光谐振腔处于稳态时的速率方程导出了准三能级Nd:YAG 946 nm起振时透射损耗与最佳激光晶体长度的关系,直观地给出了其计算机模拟.在与1064 nm透射损耗相比较的基础上,形象给出了一系列情况下的最低镀膜要求,并且模拟了激光阈值、输出功率和各种损耗及泵光光斑大小的关系,为设计室温下高效运转的946 nm激光器提供了必要的理论数值参照.这种分析方法对研究此类低增益,准三能级或三能级激光系统输出特性有借鉴意义.
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