多棒高功率固体激光器动态模匹配研究
Study on the dynamic mode matching of multirod solid state lasers
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摘要: 采用光学矩阵分析了多元热透镜谐振腔内模式的动态匹配特征,给出了平平腔参数调整的关系式,实验结果与理论分析相符,并在两棒连续Nd:YAG系统上得到0W～530W功率范围的稳定输出.Abstract: Optical matrix of multirod laser resonator with difference in rod thermal lensing is used in considering the dynamic mode matching characteristics of active elements.By analyzing the relation between the defined normalized mode matching factor and the varying resonator parameters,we derived a relation for adjusting the resonator parameters of two rod system which result in a fine mode matching.Experimental results show in accordance with theoretical analysis and for two rod system we get the stable output power between 0W～530W.
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Keywords:
- multi-rod /
- dymanic mode matching
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[1] Kortz H P,Ifflander R,Weber H.Appl Opt,1981;20(3):4124~4134
[2] Egglest on J M.IEEE J Q E,1988;QE-24(9):1821~1824
[3] [西德]克希奈尔W著,华光译.固体激光工程.北京:科学出版社,1988:377~380
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