| 高功率LDA紧密环绕抽运Nd:YLF放大器实验研究 |
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| 引用本文： | 张申金,冯国英,李明中,隋展,丁磊,林宏奂,王衍勇,唐军,罗亦鸣,欧群飞.高功率LDA紧密环绕抽运Nd:YLF放大器实验研究[J].强激光与粒子束,2004,16(6):754-758. |
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| 作者姓名： | 张申金 冯国英 李明中 隋展 丁磊 林宏奂 王衍勇 唐军 罗亦鸣 欧群飞 |
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| 作者单位： | 1. 四川大学 电子信息学院，四川 成都 610064； 2. 中国工程物理研究院 激光聚变研究中心，四川 绵阳 621900；3. 天津大学 精密仪器与光电子工程学院，天津 300072 |
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| 基金项目： | 国家自然科学基金委 中国工程物理研究院联合资助项目 (1 0 1 760 1 9) |
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| 摘 要： | 采用高功率LDA紧密环绕抽运10mm×10mm Nd:YLF和两级双程离轴行波放大结构，实现了对5mm×5mm口径激光的放大。分析并实验研究了在不同抽运电流及不同抽运延时条件下，激光放大器及两级双程离轴放大系统小信号增益的规律。实验得到两级双程放大系统的小信号净增益可达600。
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| 关 键 词： | LDA紧密环绕抽运 Nd:YLF棒 两级双程离轴放大 |
| 文章编号： | 1001-4322(2004)06-0754-05 |
| 收稿时间： | 2003/11/18 |
| 修稿时间： | 2003年11月18 |
Experiment research of Nd:YLF laser amplifier tightly ring-pumped by high power LD array |
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| ZHANG Shen-jin,FENG Guo-ying ,LI Ming-zhong,SUI Zhan,DING Lei,LIN Hong-huan,WANG Yan-yong,TANG jun,LUO Yi-ming,OU Qun-fei.Experiment research of Nd:YLF laser amplifier tightly ring-pumped by high power LD array[J].High Power Laser and Particle Beams,2004,16(6):754-758. |
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| Authors: | ZHANG Shen-jin FENG Guo-ying LI Ming-zhong SUI Zhan DING Lei LIN Hong-huan WANG Yan-yong TANG jun LUO Yi-ming OU Qun-fei |
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| Institution: | 1. College of Electronic Information, Sichuan University, Chengdu 610064, China;2. Research Center of Laser Fusion, CAEP, P. O. Box 919-988, Mianyang 621900, China;3. College of Precision Instrument and Optoeletronics Engineering, Tianjin University, Tianjin 300072, China |
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| Abstract: | The 5mm×5mm laser pulse is amplified using 10mm×10mm Nd:YLF laser amplifier tightly ring-pumped by high power LDA and two-stage double-pass abaxial travelling wave amplifying structure. The rules of gain of laser amplifier and amplifying system with pump current and pump delay are studied by simulation and experiment. The two-stage double-pass abaxial small-signal net gain of amplifying system is 600 in experiment, and the energy extract efficiency is 0.86%. The results of experiment and simulation indicate that the structure of the amplifier and amplifying system has high energy extract efficiency and gain, low coupling loss, the advantages of being compact and simple and so on. |
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| Keywords: | LDA tight ring-pump Nd:YLF rod Two-stage double-pass abaxial amplification |
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