| 振幅和相位涨落对锁模脉冲列特性的影响 |
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| 引用本文： | 顾春,隋展,王安廷,李锋,王建军,林宏奂,许立新,明海,谢建平.振幅和相位涨落对锁模脉冲列特性的影响[J].强激光与粒子束,2006,18(3):423-426. |
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| 作者姓名： | 顾春 隋展 王安廷 李锋 王建军 林宏奂 许立新 明海 谢建平 |
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| 作者单位： | 1. 中国科学技术大学 物理系, 合肥 230026; 2. 中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621900 |
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| 基金项目： | 高比容电子铝箔的研究开发与应用项目 |
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| 摘 要： | 用傅里叶变换的方法分析了锁模激光器中模式间的相位和振幅涨落对锁模脉冲列特性的影响。将锁模激光器中各模式的相位和振幅涨落作傅里叶展开，再通过增益谱抽样的傅里叶变化得到其时域行为。分析结果表明振幅系统涨落及随机涨落均不引起脉宽的明显变化，只引起脉冲间背景的加大，但相位涨落随机会使脉冲列强度产生波动。所用物理图像简明，结果对获得稳定的锁模脉冲列的实验研究有参考意义。
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| 关 键 词： | 激光器锁模脉冲列特性 振幅涨落 相位涨落 |
| 文章编号： | 1001-4322(2006)03-0423-04 |
| 收稿时间： | 2005-05-30 |
| 修稿时间： | 2006-02-07 |
Influence of amplitude and phase fluctuations on the characteristics of a mode-locked laser pulse train |
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| GU Chun,SUI Zhan,WANG An-ting,LI Feng,WANG Jian-Jun,LIN Hong-Huan,XU Li-xin,MING Hai,XIE Jian-ping.Influence of amplitude and phase fluctuations on the characteristics of a mode-locked laser pulse train[J].High Power Laser and Particle Beams,2006,18(3):423-426. |
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| Authors: | GU Chun SUI Zhan WANG An-ting LI Feng WANG Jian-Jun LIN Hong-Huan XU Li-xin MING Hai XIE Jian-ping |
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| Institution: | 1. Department of Physics, University of Science and Technology of China, Hefei 230026, China;2. Research Center of Laser Fusion, CAEP, P.O.Box 919-988, Mianyang 621900, China |
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| Abstract: | The Fourier transform method has been used to analyze the influence of modal amplitude and phase fluctuations in a mode-locked laser on performance of its output pulse.The results show that the pulse shape and the bandwidth remain essentially constant when the modes have amplitude and phase fluctuations,but appear superimposed on a fluctuations background.The phase variations will cause the fluctuation of peak.The physical picture in this paper is concise and is helpful to get stable mode-locked laser output in experiments. |
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| Keywords: | Characteristics of a mode-locked laser pulse train Amplitude fluctuations Phase fluctuations |
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