| Cr4+:YAG被动调Q腔外三倍频紫外激光器 |
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| 引用本文： | 贾富强,郑权,薛庆华,谭成桥,钱龙生.Cr4+:YAG被动调Q腔外三倍频紫外激光器[J].激光技术,2005,29(6):629-631. |
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| 作者姓名： | 贾富强 郑权 薛庆华 谭成桥 钱龙生 |
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| 作者单位： | 1.中国科学院, 长春光学精密机械与物理研究所, 长春, 130022; |
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| 基金项目： | 国家高技术研究发展计划资助项目(2002AA311141) |
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| 摘 要： | 理论上分析了影响腔外三倍频输出效率的各因素,并对Cr4+:YAG小信号透过率、输出镜透过率、聚焦透镜焦距、非线性晶体尺寸的优化选取以及各元件的合理放置进行了讨论.在最大抽运功率为17W的情况下,获得了336mW的355nm准连续紫外激光输出,重复频率为28kHz,脉宽12ns,单脉冲能量为12J,峰值功率为1kW,总的光-光转换效率为2%.
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| 关 键 词： | 激光器 355nm紫外激光器 Cr4+:YAG 被动调Q 腔外三倍频 |
| 文章编号： | 1001-3806(2005)06-0629-03 |
| 收稿时间： | 2004-06-01 |
| 修稿时间： | 2005-03-22 |
Cr4+:YAG passively Q-switched extra-cavity third-harmonic laser |
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| JIA Fu-qiang,ZHENG Quan,XUE Qing-hua,TAN Cheng-qiao,QIAN Long-sheng.Cr4+:YAG passively Q-switched extra-cavity third-harmonic laser[J].Laser Technology,2005,29(6):629-631. |
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| Authors: | JIA Fu-qiang ZHENG Quan XUE Qing-hua TAN Cheng-qiao QIAN Long-sheng |
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| Affiliation: | 1. Changchun Institute of Optics, Fine Mechanics and Physics ,the Chinese Academy of Sciences, Changchun 130022, China ;2 Graduate School,the Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | The factors attributed to the efficiency of the extra-cavity third-harmonic generation are analyzied.The maxium output power of 355nm UV laser is 330mW with the incident pumped power 17W after optimizing the small singal transmittance of the Cr4+:YAG,the transmittance of the output coupler at 1064nm,the focal length of the focusing lens,the nonlinear crystal and aligning the optical elements reasonably.The repetition rates,pusle width,single pulse energy of the pulsed 355nm laser is 28kHz,12ns,12J respectively.The overall light to light efficiency is 2%. |
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