| 热透镜效应补偿的高功率Nd:YAG激光器的优化设计 |
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| 引用本文： | 吴羽,龙晓莉,焦中兴,何广源,张倩.热透镜效应补偿的高功率Nd:YAG激光器的优化设计[J].激光技术,2015,39(3):377-380. |
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| 作者姓名： | 吴羽 龙晓莉 焦中兴 何广源 张倩 |
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| 作者单位： | 1.广州大学 实验中心, 广州 510006; |
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| 基金项目： | 广州市教育科学十二五规划2014年度资助项目 |
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| 摘 要： | 为了获得高功率、高光束质量的1064nm激光,采用凹透镜作为补偿透镜来补偿激光棒的热透镜效应。对补偿透镜的选取进行理论分析,并使用所设计的包含补偿透镜的平平谐振腔Nd:YAG激光器进行了实验验证。在实验中,使用焦距为250mm的凹透镜、透过率为30%的输出耦合镜,获得了55W的高功率、高光束质量的1064nm激光输出。结果表明,此项研究对高功率、高光束质量激光器谐振腔的设计是有帮助的。
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| 关 键 词： | 激光器 Nd:YAG激光器 热透镜效应 光束质量 谐振腔 |
| 收稿时间： | 2014-04-02 |
Optimal design of high power Nd∶YAG laser based on compensation of thermal lens effect |
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| WU Yu,LONG Xiaoli,JIAO Zhongxing,HE Guangyuan,ZHANG Qian.Optimal design of high power Nd∶YAG laser based on compensation of thermal lens effect[J].Laser Technology,2015,39(3):377-380. |
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| Authors: | WU Yu LONG Xiaoli JIAO Zhongxing HE Guangyuan ZHANG Qian |
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| Affiliation: | WU Yu;LONG Xiaoli;JIAO Zhongxing;HE Guangyuan;ZHANG Qian;Laboratory Center,Guangzhou University;State Key Laboratory of Optoelectronic Materials and Technologies,School of Physics and Engineering,SUN Yat-sen University; |
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| Abstract: | In order to obtain 1064nm laser with high power and high beam quality, a laser resonator was designed to solve thermal lens effect with a concave lens as compensation lens. The selection of the compensation lens was analyzed. A Nd:YAG laser with a compensation lens and a plano-plano cavity was verified in the experiment. High beam quality 55W 1064nm laser was obtained when the focal length of the concave lens was 250mm and the transmittance of the output mirror was 30%. This research is helpful to the design of laser resonators with high power and beam quality. |
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| Keywords: | lasers Nd∶YAG laser thermal lens effect beam quality resonator |
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