| 激光二极管直接耦合泵浦的Nd：YVO_4激光器连续运转和高重复率被动调Q运转 |
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| 引用本文： | 王军民,李瑞宁,杨炜东,谢常德,徐天华.激光二极管直接耦合泵浦的Nd：YVO_4激光器连续运转和高重复率被动调Q运转[J].中国激光,1996,23(12):1057-1060. |
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| 作者姓名： | 王军民 李瑞宁 杨炜东 谢常德 徐天华 |
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| 作者单位： | 山西大学光电研究所，西南技术物理研究所 |
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| 基金项目： | 山西省科委科技攻关项目 |
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| 摘 要： | 以５００ｍＷ激光二极管直接耦合泵浦Ｎｄ：ＹＶＯ４，实现了１０６４ｎｍ连续激光运转。泵浦阈值功率约２２ｍＷ，获得基横模最大输出约１７２ｍＷ，相应的斜效率为３５．８％；在Ｎｄ：ＹＶＯ４激光谐振腔内采用Ｃｒ４＋：ＹＡＧ作为饱和吸收体，实现了激光二极管连续泵浦Ｎｄ：ＹＶＯ４高重复率被动调Ｑ激光运转。获得了脉宽约１１４ｎｓ的１０６４ｎｍ调Ｑ激光脉冲，重复率高达３８０ｋＨｚ。
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| 关 键 词： | 激光二极管泵浦的Nd：YVO_4激光器，直接耦合泵浦（DCP），Cr~（4＋）：YAG晶体，被动Q开关 |
CW Output and High Repetitive Passive Q-switching of a Nd:YVO_4 Laser Coupled Directly by a Laser Diode |
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| Wang Junmin, Li Ruining, Yang Weidong, Xie Changde, Xu Tianhua.CW Output and High Repetitive Passive Q-switching of a Nd:YVO_4 Laser Coupled Directly by a Laser Diode[J].Chinese Journal of Lasers,1996,23(12):1057-1060. |
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| Authors: | Wang Junmin Li Ruining Yang Weidong Xie Changde Xu Tianhua |
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| Abstract: | A laser diode directly coupled CW Nd: YVO4 laser is reported. The pump threshold of about 22 mW and the maximum output of about 172 mW in TEM00-mode are obtained with a slope efficiency of 35. 8 percent. By using a Cr4+:YAG chip in the laser cavity as a saturable absorber, a laser diode continuously pumped Nd: YVO4 laser is passively Q- switched for the first time. haser pulses of 114 ns duration are produced with a repetition rate of as much as 380 kHz. |
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| Keywords: | laser diode pumped Nd:YVO4 direct coupled pump (DCP) Cr4+:YAG crystal Passive Q-switching |
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