| 新型全固态激光器作用过程中的激光参数分析 |
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| 引用本文： | 毛丽琴,王丽,田宏宾.新型全固态激光器作用过程中的激光参数分析[J].光学技术,2005,31(6):931-934. |
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| 作者姓名： | 毛丽琴 王丽 田宏宾 |
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| 作者单位： | 北京工业大学,应用物理系,北京,100022;北京工业大学,应用物理系,北京,100022;北京工业大学,应用物理系,北京,100022 |
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| 基金项目： | 北京市教委基金资助项目(Km200310005022) |
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| 摘 要： | 对影响LD泵浦的Nd∶GdVO4,Nd∶YVO4和Nd∶YAG激光器输出特性的增益介质长度、腔内损耗、输出镜透过率、泵浦光和振荡光的光斑大小进行了分析和数值模拟。当腔内固有损耗为2%,输出镜透过率为10%时,Nd∶Gd-VO4,Nd∶YVO4和Nd∶YAG晶体的振荡阈值分别为1.77W、0.55W和3.34W。在25W泵浦功率下,利用1mm长的Nd∶GdVO4,Nd∶YVO4和Nd∶YAG晶体可分别得到13.17W,13.26W和8.43W的输出功率,相应的输出镜最佳透过率分别为24%,44%和16%。
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| 关 键 词： | 激光器 LD端面泵浦 激光晶体 输出特性 |
| 文章编号： | 1002-1582(2005)06-0931-04 |
| 修稿时间： | 2004年9月30日 |
Analysis and comparison of laser oscillation parameters in all-solid-state lasers |
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| MAO Li-qin,WANG Li,TIAN Hong-bin.Analysis and comparison of laser oscillation parameters in all-solid-state lasers[J].Optical Technique,2005,31(6):931-934. |
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| Authors: | MAO Li-qin WANG Li TIAN Hong-bin |
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| Abstract: | The pumping and oscillating beams radius,gain medium length,intracavity loss and output mirror transmission of output laser characteristics influenced on laser diode end-pumped Nd∶GdVO-4、Nd∶YVO-4 and Nd∶YAG were deduced by computer numerical simulation.It supplies theoretical basis for the choice of appropriate laser medium and light parameters using the different condition to gain optimal laser output.Oscillating threshold of Nd∶GdVO-4,Nd∶YVO-4 and Nd∶YAG is inspectively 1.77W,0.55W and 3.34W,when the intracavity intrinsic loss is 2% and the output mirror transmitsion corresponding output mirror is 10%.The output power of 13.17W,13.26W and 8.43W is obtained inspectively using the three crystals of 1mm length in 25W pumping power,and the optimal transmission rate inspectively is 24%,44% and 16%. |
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| Keywords: | Lasers laser diode end-pumped laser crystals output characteristics |
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