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首页> 外文期刊>Optics Letters >Cascaded difference frequency generation in organic crystal 4 '-dimethylamino-N-methyl-4-stilbazolium tosylate
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Cascaded difference frequency generation in organic crystal 4 '-dimethylamino-N-methyl-4-stilbazolium tosylate

机译：有机晶体4'-二甲基氨基-N-甲基-4-斯蒂巴唑鎓甲磺酸盐的级联差频产生

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摘要

In this Letter, we verified, for the first time to the best of our knowledge, an efficient cascaded difference frequency generation (DFG) with multi-order red shift. The experiment was performed with homemade organic crystals pumped by an optical parametric oscillator. The characteristics of energy conversion during DFG were investigated comprehensively at different frequencies and crystal thicknesses. Theoretical explanations were provided, based on the coupled-wave equations. The calculations predicted that the cascading effect contributed to a sustained growth of the DFG output (free from the saturation and shrinkage), especially in thick crystals. By measuring the optical spectrum, remarkable cascading processes of at least seven orders were observed. This effect shows the potential to overcome the quantum defect of the terahertz-wave DFG and fundamentally improve the conversion efficiency. (C) 2019 Optical Society of America
机译：在这封信中，我们首次验证了我们的知识，是一个有效的级联差异频率发电（DFG），具有多阶红移位。 用由光学参数振荡器泵送的自制有机晶体进行实验。 在不同的频率和晶体厚度上综合研究了DFG期间能量转换的特性。 基于耦合波方程，提供了理论解释。 该计算预测，级联效应有助于DFG输出的持续生长（没有饱和和收缩），尤其是厚晶体。 通过测量光谱，观察到至少七个订单的显着级联过程。 该效果表明克服太赫兹波DFG的量子缺陷的可能性，并从根本上提高了转化效率。 （c）2019年光学学会

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  • 来源
    《Optics Letters》 |2019年第20期|共4页
  • 作者

    Liu Pengxiang; Qi Feng; Pang Zibo; Li Weifan; Wang Yelong; Liu Zhaoyang; Meng Dalei;

  • 作者单位

    Chinese Acad Sci Shenyang Inst Automat Shenyang 110016 Liaoning Peoples R China;

    Chinese Acad Sci Shenyang Inst Automat Shenyang 110016 Liaoning Peoples R China;

    China Elect Technol Grp Corp 46th Res Inst Tianjin 300220 Peoples R China;

    Chinese Acad Sci Shenyang Inst Automat Shenyang 110016 Liaoning Peoples R China;

    Chinese Acad Sci Shenyang Inst Automat Shenyang 110016 Liaoning Peoples R China;

    Chinese Acad Sci Shenyang Inst Automat Shenyang 110016 Liaoning Peoples R China;

    China Elect Technol Grp Corp 46th Res Inst Tianjin 300220 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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