| 脉冲激光二极管端面泵浦Nd;YAG棒时变温度场 |
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| 引用本文： | 李隆,聂建萍,董武威,冯小娟,许启明.脉冲激光二极管端面泵浦Nd;YAG棒时变温度场[J].红外与激光工程,2011(9):1657-1661. |
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| 作者姓名： | 李隆 聂建萍 董武威 冯小娟 许启明 |
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| 作者单位： | 西安建筑科技大学理学院;西安建筑科技大学材料科学与工程学院; |
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| 基金项目： | 西安市科技局创新支撑计划(CXY1015(6)); 陕西省教育厅专项科研资助项目(11JK0532) |
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| 摘 要： | 在脉冲激光二极管(LD)泵浦的激光晶体中存在升降温的时变过程,为解决脉冲LD端面泵浦的激光晶体产生的热效应问题,基于热传导方程,采用特征函数法和常数变异法得到了脉冲超高斯光束端面泵浦Nd∶YAG棒的时变温度场的一般解析表达式.同时定量分析了单脉冲和重复脉冲端面泵浦Nd∶YAG棒的时变温度规律.研究结果表明,重复脉冲端面...
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| 关 键 词： | 时变温度场 脉冲LD端面泵浦 解析分析 Nd∶YAG棒 固体激光器 |
Time-varying temperature filed of Nd:YAG rod end-pumped by pulsed LD |
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| Li Long,Nie Jianping,Dong Wuwei,Feng Xiaojuan,Xu Qiming.Time-varying temperature filed of Nd:YAG rod end-pumped by pulsed LD[J].Infrared and Laser Engineering,2011(9):1657-1661. |
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| Authors: | Li Long Nie Jianping Dong Wuwei Feng Xiaojuan Xu Qiming |
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| Affiliation: | Li Long1,2,Nie Jianping1,Dong Wuwei1,Feng Xiaojuan1,Xu Qiming2 |
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| Abstract: | The time-varying processes of temperature rise and fall exist in laser crystal pumped by pulsed laser diode(LD).In order to solve the thermal effect of laser crystal end-pumped by pulsed LD,a general analytical time-varying temperature filed expression of Nd:YAG rod end-pumped by the pulsed supper-Gaussian beam was obtained by the methods of eigen-function and constant variation,based on the heat conduct equation.Meanwhile,the time-varying temperature laws of Nd:YAG rod end-pumped by single pulse and repeat... |
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| Keywords: | time-varying temperature field pulsed LD end-pumping analytical analysis Nd:YAG rod solid-state laser |
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