| 双程放大740 mJ TEC冷却LD泵浦Nd:YAG激光器 |
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| 引用本文： | 刘学胜,董剑,徐爱东,彭超,刘友强,曹明真,何欢,王智勇.双程放大740 mJ TEC冷却LD泵浦Nd:YAG激光器[J].发光学报,2018,39(7):991-996. |
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| 作者姓名： | 刘学胜 董剑 徐爱东 彭超 刘友强 曹明真 何欢 王智勇 |
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| 作者单位： | 1. 北京工业大学 激光工程研究院, 北京 100124;
2. 江苏北方湖光光电有限公司, 江苏 无锡 214035 |
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| 基金项目： | 北京市教委面上项目（KM201310005019）资助 |
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| 摘 要： | 报道了一种实现高能量输出的激光二极管（LD）泵浦无水冷全固态Nd：YAG双程放大器结构。整个放大系统采用了泵浦与晶体棒集成的模块以及半导体制冷器（TEC），从而实现了激光系统的小型化。总腔长为730 mm。在10 Hz重复频率下，主振荡器得到了最大脉冲能量为350 mJ的激光输出。脉宽为9.7 ns，光束质量M2在两个方向分别为7.7和12.3。并进行了双程放大的研究，双程放大后得到了740 mJ、10 ns的激光输出。
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| 关 键 词： | 全固态激光器 高能量 TEC冷却 LD泵浦 主振荡功率放大器 |
| 收稿时间： | 2017-11-22 |
Two-pass Amplifier 740 mJ Diode-pumped Nd:YAG Laser with Thermoelectric Cooler |
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| LIU Xue-sheng,DONG Jian,XU Ai-dong,PENG Chao,LIU You-qiang,CAO Ming-zhen,HE Huan,WANG Zhi-yong.Two-pass Amplifier 740 mJ Diode-pumped Nd:YAG Laser with Thermoelectric Cooler[J].Chinese Journal of Luminescence,2018,39(7):991-996. |
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| Authors: | LIU Xue-sheng DONG Jian XU Ai-dong PENG Chao LIU You-qiang CAO Ming-zhen HE Huan WANG Zhi-yong |
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| Institution: | 1. Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China;
2. Northern Huguang Photoelectrics Co., Ltd., Wuxi 214035, China |
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| Abstract: | A high-pulse-energy, diode-pumped, solid-state Nd3+:Y3Al5O12 (Nd:YAG) two-pass amplifier system without water cooler was demonstrated in this study. The modulation of LD and Nd:YAG crystal rod and the use of thermoelectric cooler(TEC) in whole system aimed to make the system miniaturized. The cavity length was 280 mm. And a 350 mJ laser pulse was obtained with a pulse duration of 9.7 ns, a frequency of 10 Hz and a beam quality M2 of 7.7 and 12.3 for horizontal and vertical directions, respectively. A 740 mJ, 10 ns laser pulse for two-pass amplification was obtained. |
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| Keywords: | solid-state laser high-energy thermoelectric cooler(TEC) diode-side-pumped MOPA |
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