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分析了一种特殊设计的组合短腔ＣｒＬｉＳＡＦ激光器实现单频运转的工作原理，并在此基础上与实验进行详细的比较．当两个掺杂浓度及所镀介质膜都完全相同的薄片ＣｒＬｉＳＡＦ晶体谐振腔长分别取为５００μｍ和１０００μｍ，中间夹的石英厚度为１３０μｍ时，实验得到了线宽＜０．１２ｎｍ的单频激光，理论线宽为０．０２ｎｍ．
A specially designed combination of short cavity CrLiSAF laser operating principle of single-frequency operation is analyzed, and on this basis, a detailed comparison with the experiment. When the resonant frequencies of two CrLiSAF crystals with the same doping concentration and the same dielectric film were taken as 500μm and 1000μm respectively and the quartz sandwiched between them was 130μm, single-frequency laser with linewidth <0.12nm , The theoretical line width of 0.02nm.