| 激光二极管抽运的激光器热透镜效应的研究 |
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| 引用本文： | 张行愚,赵圣之,王青圃,张其第,B. Ozygus,H. Weber.激光二极管抽运的激光器热透镜效应的研究[J].中国激光,2000,27(9):777-781. |
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| 作者姓名： | 张行愚 赵圣之 王青圃 张其第 B. Ozygus H. Weber |
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| 作者单位： | 1. 山东大学光电系,济南,250100
2. 柏林技术大学光学研究所,柏林,10623,德国 |
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| 基金项目： | 国家教委博士点基金，山东省自然科学基金资助项目 |
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| 摘 要： | 用激光二极管经光纤耦合和 GRIN透镜聚焦后抽运 Nd3 :YAG激光器 ,用非稳腔方法测量了 Nd3 :YAG晶体的等效热透镜焦距 ;同时 ,对描述热透镜效应的理论模型进行适当补充 ,使之适合于激活介质中抽运光半径随位值变化的情况 ,所得理论结果与实验结果随抽运功率的变化趋势相一致 ,同时二者也存在一定差距 ;分析了理论结果与实验结果存在差距的原因
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| 关 键 词： | 激光二极管抽运 Nd~(3 ):YAG 热透镜效应 热透镜理论模型 |
| 收稿时间： | 1999/4/2 |
Study on Thermal Lens of Nd3+:YAG Laser Pumped by a Laser Diode |
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| Zhang Xingyu,Zhao Shengzhi,Wang Qingpu,Zhang Qidi,B. Ozygus,H. Weber.Study on Thermal Lens of Nd3+:YAG Laser Pumped by a Laser Diode[J].Chinese Journal of Lasers,2000,27(9):777-781. |
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| Authors: | Zhang Xingyu Zhao Shengzhi Wang Qingpu Zhang Qidi B Ozygus H Weber |
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| Abstract: | A Nd3+:YAG laser is pumped by a fiber-coupled and GRIN lens-focused diode-laser and the focal length of the equivalent thermal lens is measured by using unstable cavity method. Meanwhile, the theoretical model describing the thermal lens is extended to the situation that the pump light radius in the gain medium varies with distance. The calculated focal length of the thermal lens is inversely proportional to the pump power which is in conformity with the experimental result. The difference between them is also discussed. |
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| Keywords: | Nd3+:YAG |
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