| 内腔倍频被动调QNd∶YVO_4/KTP激光特性的研究 |
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| 引用本文： | 赵宏明,赵圣之,陈磊,杨克建.内腔倍频被动调QNd∶YVO_4/KTP激光特性的研究[J].中国激光,2005,32(1):35-38. |
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| 作者姓名： | 赵宏明 赵圣之 陈磊 杨克建 |
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| 作者单位： | 山东大学信息科学与工程学院 山东济南250100
(赵宏明，赵圣之，陈磊)，山东大学信息科学与工程学院 山东济南250100(杨克建) |
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| 基金项目： | 山东省科技发展计划项目(013060102)，教育部博士点基金资助项目 |
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| 摘 要： | 实现了激光二极管(LD)抽运Nd∶YVO4/KTP,GaAs饱和吸收体被动调Q绿激光运转。测量了GaAs不同 厚度情况下的脉冲重复率、脉冲宽度、单脉冲能量及峰值功率随抽运功率的变化关系。在抽运功率3.22W下,300 μm厚的GaAs获得了381kHz的高重复率,53.2ns的脉冲宽度,0.18μJ的单脉冲能量。通过求解内腔倍频GaAs 调Q工作原理的耦合波方程组,所得的理论值与实验结果相符。
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| 关 键 词： | 激光技术 GaAs 被动调Q Nd∶YVO4/KTP 倍频 |
| 收稿时间： | 2004/1/28 |
Study of Intra-Cavity Frequency-Doubling of a Nd∶YVO4 Laser Passively Q-Switched with GaAs |
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| ZHAO Hong-ming,ZHAO Sheng-zhi,CHEN Lei,YANG Ke-jian.Study of Intra-Cavity Frequency-Doubling of a Nd∶YVO4 Laser Passively Q-Switched with GaAs[J].Chinese Journal of Lasers,2005,32(1):35-38. |
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| Authors: | ZHAO Hong-ming ZHAO Sheng-zhi CHEN Lei YANG Ke-jian |
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| Abstract: | By using GaAs saturable absorber, the running of a diode-pumped Q-switched intra-cavity frequency-doubled Nd∶YVO4/KTP laser is realized. The dependences of pulse width, pulse repetition rate, pulse energy and peak power on pump power are measured with different thickness of GaAs. At 3.22 W of pump power, the laser Q-switched by 300 μm GaAs produces 53.2 ns pulses at a pulse repetition rate of 381 kHz. The pulse energy is 0.18 μJ. The rate equations of intra-cavity frequency-doubling laser Q-switched by GaAs are introduced to analyze the experimental results. The numerical calculations of the rate equations are consistent with the experimental results. |
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| Keywords: | laser technique GaAs passive Q-switched Nd∶YVO4/KTP frequency-doubling |
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