| 侧面紧耦合泵浦微型激光器研究 |
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| 引用本文： | 商继敏,任宇芬.侧面紧耦合泵浦微型激光器研究[J].红外与激光工程,2013,42(5):1174-1178. |
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| 作者姓名： | 商继敏 任宇芬 |
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| 作者单位： | 1.郑州轻工业学院技术物理系,河南郑州450002 |
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| 基金项目： | 河南省科技攻关资助项目(132102210222);郑州轻工业学院博士基金 |
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| 摘 要： | 利用解析法分析了激光二极管（LD）侧面紧耦合泵浦固体激光器中泵浦光强分布特点，其增益分布与发光单元发光面处的束腰半径、激光二极管等间距环绕个数、泵浦源与晶体表面的距离、晶体棒半径和工作物质的吸收系数有关，通过调整泵浦参数可以实现中心强边缘弱的泵浦光分布。采用LD紧贴于Nd:YAG的紧耦合双侧面对称泵浦技术，对侧面紧耦合泵浦微型激光器进行了相关研究，实验上实现了激光二极管泵浦固体激光器（DPL）的微型化。
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| 关 键 词： | 微型激光器 泵浦光分布 紧耦合泵浦 激光二极管侧面泵浦固体激光器 |
| 收稿时间： | 2012-09-11 |
Tightly coupled side-pumping technology of miniature solid state laser |
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| Shang Jimin,Ren Yufen.Tightly coupled side-pumping technology of miniature solid state laser[J].Infrared and Laser Engineering,2013,42(5):1174-1178. |
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| Authors: | Shang Jimin Ren Yufen |
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| Affiliation: | 1.Department of Technical and Physics,Zhengzhou University of Light Industry,Zhengzhou 450002,China |
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| Abstract: | Direct pumping technique of micro-modularization diode side-pumped solid-state laser(DPL) was studied. The pump distribution of laser diode in gain medium was analyzed. The results show that the distribution of the gain relates to the parameter such as the waist radius of the emitter, the number of the bar around, the distance between pump sources and crystal surface, the radius of the crystal rod and the absorption coefficient of the crystal. Through adjusting the above pump parameters the pump distribution can be realized which has the character of strong center and weak edge. An experimental equipment of laser diode symmetrically side-pumped Nd:YAG laser was also designed, and the miniaturization of diode pumped solid state laser was achieved. |
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