非稳腔-稳腔混合腔的失调特性得到了理论上的研究.当调节混合腔的输出耦合镜几何参数改变时,通过Fox-Li数值迭代法计算其基横模的损耗来研究腔的失调特性.发现混合腔在稳腔方向上不易失调;混合腔的不稳定主要来自于非稳腔方向,且主要来自于输出耦合镜在非稳腔平面内的转动,或者垂直于光轴的平移;偏轴非稳腔要比对称非稳腔稳定.利用混合腔中非稳腔方向易失调的特性,可以设计调Q方案.在正支共焦偏轴非稳腔-稳腔混合腔中应用声光调制器在非稳腔平面内实现声光调Q的可行性,得到了理论的证明.
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