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从理论上导出了起始腔的稳定性与腔内光学元件的布置及其参数之间的关系 ,实验验证了高衍射损耗的非稳定起始腔有利于提高相位共轭激光器的调 Q效果 ;实验观察了蒸馏水作为 SBS介质时 ,相位共轭激光器的输出特性 ,并与高增益的二硫化碳介质作了相应的比较 ,分析了它们之间差别的产生原因。
The relationship between the stability of the initial cavity and the arrangement of the optical elements in the cavity and its parameters are deduced in theory. The experimental results show that the unstable starting cavity with high diffraction loss is favorable to improve the Q effect of the phase conjugate laser. The output characteristic of the phase conjugate laser when distilled water was used as SBS medium was compared with that of high-gain carbon disulfide medium, and the reason of the difference between them was analyzed.