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Effect of a codoped interface layer on passively Q-switched laser performance of composite crystals

机译:共掺杂界面层对复合晶体被动调Q激光性能的影响

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摘要

By using combinations of appropriate laser crystals, we simulated a Yb:YAG/Cr4+:YAG composite crystal with a Cr,Yb:YAG interface layer. The effect of the Cr,Yb:YAG interface layer on the laser performance of the Yb:YAG/Cr4+:YAG composite crystal has been investigated for the first time to our best knowledge. The formation of the Cr, Yb: YAG interface layer in the Yb: YAG/Cr4+:YAG composite crystal has a negative impact on average output power, optical efficiency, as well as single pulse energy and peak power. In addition, the Cr, Yb: YAG interface layer also leads to strong mode competition, resulting in the decrease of the longitudinal mode number, the widening of longitudinal mode separations, and the poor stability of laser pulse trains. The results of this study are of theoretical and practical importance to develop novel Yb:YAG/Cr4+:YAG composite crystals that could be used to obtain laser pulses with high peak power and high optical efficiency. (C) 2016 Optical Society of America
机译:通过使用适当的激光晶体的组合,我们模拟了具有Cr,Yb:YAG界面层的Yb:YAG / Cr4 +:YAG复合晶体。据我们所知,首次研究了Cr,Yb:YAG界面层对Yb:YAG / Cr4 +:YAG复合晶体激光性能的影响。 Yb:YAG / Cr4 +:YAG复合晶体中Cr,Yb:YAG界面层的形成对平均输出功率,光学效率以及单脉冲能量和峰值功率有负面影响。此外,Cr,Yb:YAG界面层还会导致强烈的模式竞争,从而导致纵向模式数减少,纵向模式间隔变宽以及激光脉冲序列的稳定性差。这项研究的结果对于开发新型Yb:YAG / Cr4 +:YAG复合晶体具有理论和实践意义,可用于获得具有高峰值功率和高光学效率的激光脉冲。 (C)2016美国眼镜学会

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  • 来源
    《Applied optics》 |2016年第23期|共7页
  • 作者

    Xu Jie; Dong Jun;

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  • 正文语种 eng
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