| 脉冲抽运被动调Q激光器脉冲间隔特性研究 |
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| 引用本文： | 许韬,金光勇,于永吉,陈薪羽,王超,吴春婷.脉冲抽运被动调Q激光器脉冲间隔特性研究[J].激光与光电子学进展,2012(6):119-124. |
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| 作者姓名： | 许韬 金光勇 于永吉 陈薪羽 王超 吴春婷 |
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| 作者单位： | 长春理工大学理学院 吉林省固体激光技术与应用重点实验室 |
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| 基金项目： | 吉林省科技支撑重点项目(20100355)资助课题 |
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| 摘 要： | 采用数值模拟和实验相结合的方法对脉冲激光二极管(LD)抽运Nd:YAG被动调Q激光器输出脉冲间隔特性进行分析。从被动调Q速率方程出发,结合脉冲LD抽运的特点,考虑剩余反转粒子数密度的影响,推导出输出调Q脉冲间隔时间的计算公式。重点分析了抽运脉宽、输出镜反射率、抽运功率和Cr4+:YAG初始透射率对输出脉冲间隔时间的影响。结果表明,数值模拟与实验结果基本吻合。
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| 关 键 词： | 激光器 脉冲抽运 被动调Q 脉冲间隔 |
Study on the Pulse Interval of Passively Q-Switched Laser Pumped by Diode Laser Pulse |
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| Xu Tao Jin Guangyong Yu Yongji Chen Xinyu Wang Chao Wu Chunting.Study on the Pulse Interval of Passively Q-Switched Laser Pumped by Diode Laser Pulse[J].Laser & Optoelectronics Progress,2012(6):119-124. |
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| Authors: | Xu Tao Jin Guangyong Yu Yongji Chen Xinyu Wang Chao Wu Chunting |
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| Affiliation: | Xu Tao Jin Guangyong Yu Yongji Chen Xinyu Wang Chao Wu Chunting(Jilin Key Laboratory of Solid Laser Technology and Application,School of Science, Changchun University of Science and Technology,Changchun,Jilin 130022,China) |
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| Abstract: | A passively Q-switched Nd:YAG laser pumped by diode pulse is set up.The characteristics of the laser pulse intervals are analysed by combining numerical simulation and experimental method.Starting with the rate equation of passively Q-switching mode,the Q-switched pulse intervals are formulated in consideration of the feature of diode pulse pumping and the influence of surplus inverse population density.The in fluence of pumping current and pulse width,the reflectivity of output mirror and the initial transmission of Cr4+:YAG on pulse interval time is analysed enphatically.The result indicates that the numerical simulation of pulse interval time coincides with the experimental data. |
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| Keywords: | lasers pulse pumped passive Q-switching pulse interval |
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