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首页> 外文期刊>Japanese journal of applied physics >Diode-Pumped Passively Q-Switched and Mode-Locked Nd:LuVO_4 Laser with a GaAs Wafer
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Diode-Pumped Passively Q-Switched and Mode-Locked Nd:LuVO_4 Laser with a GaAs Wafer

机译：具有GaAs晶片的二极管泵浦无源Q开关和锁模Nd：LuVO_4激光器

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摘要

Simultaneous Q-switching and mode locking (QML) in a diode-pumped Nd:LuVO_4 laser using a GaAs wafer as saturable absorber is experimentally demonstrated in a Z-type folded cavity. The repetition rate of the Q-switched pulse envelop increases from 48 to 116 kHz and the average output power increases from 88 to 498 mW as the pump power increases from 1.7 to 8.2 W. It is found that QML is easily realized in a Z-type cavity. The mode-locked pulse inside the Q-switched pulse has a repetition rate of 111 MHz, and its average pulse width is estimated to be about 345 ps. Using a hyperbolic secant square function and considering the Gaussian distribution of the intra-cavity photon density to model the mode-locked pulse, we propose a developed rate equation model for the Q-switched and mode-locked lasers. The numerical solutions of the equations are in good agreement with the experimental results.
机译：在Z型折叠腔中，实验证明了使用GaAs晶片作为可饱和吸收体的二极管泵浦Nd：LuVO_4激光器中的同时Q开关和锁模（QML）。当泵浦功率从1.7 W增大到8.2 W时，Q开关脉冲包络的重复率从48 kHz增大到116 kHz，平均输出功率从88 mW增大到498 mW。发现QML很容易在Z-型腔。 Q开关脉冲内部的锁模脉冲的重复频率为111 MHz，其平均脉冲宽度估计约为345 ps。使用双曲正割平方函数并考虑腔内光子密度的高斯分布来对锁模脉冲进行建模，我们提出了一种用于Q开关锁模激光器的速率方程模型。方程的数值解与实验结果吻合良好。

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  • 来源
    《Japanese journal of applied physics》 |2009年第8issue1期|082502.1-082502.5|共5页
  • 作者

    Gang Zhang; Shengzhi Zhao; Yufei Li; Kejian Yang; Guiqiu Li; Dechun Li; Ming Li; Haibo Ge; Kang Cheng; Zhenggang Yu;

  • 作者单位

    School of Information Science and Engineering, Shandong University, Jinan 250100, P. R. China;

    School of Information Science and Engineering, Shandong University, Jinan 250100, P. R. China;

    School of Information Science and Engineering, Shandong University, Jinan 250100, P. R. China;

    School of Information Science and Engineering, Shandong University, Jinan 250100, P. R. China;

    School of Information Science and Engineering, Shandong University, Jinan 250100, P. R. China;

    School of Information Science and Engineering, Shandong University, Jinan 250100, P. R. China;

    School of Information Science and Engineering, Shandong University, Jinan 250100, P. R. China;

    School of Information Science and Engineering, Shandong University, Jinan 250100, P. R. China;

    School of Information Science and Engineering, Shandong University, Jinan 250100, P. R. China;

    Shandong Bright Optronics. Inc., Jinan 250100, P. R. China;

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