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首页> 外文期刊>Optical engineering >Second harmonic generation efficiency affected by radiation force of a high-energy laser beam through stress within a mounted potassium dihydrogen phosphate crystal
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Second harmonic generation efficiency affected by radiation force of a high-energy laser beam through stress within a mounted potassium dihydrogen phosphate crystal

机译：二次谐波的产生效率受高能激光束的辐射力通过安装的磷酸二氢钾晶体内应力的影响

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摘要

Influence of radiation force of a high-energy laser beam on the second harmonic generation (SHG) efficiency through stress within a mounted potassium dihydrogen phosphate (KDP) crystal is studied, as well as an active method of improving the SHG efficiency by controlling the stress is proposed. At first, the model for studying the influence of the radiation force on the SHG efficiency is established, where the radiation force is theoretically analyzed, the stress caused by the radiation force is theoretically analyzed and numerically calculated using the finite-element method, and the influence of the stress on the SHG efficiency is theoretically analyzed. Then, a method of improving the SHG efficiency by controlling the stress through adjusting the structural parameters of the mounting set of the KDP crystal is examined. It demonstrates that the radiation force causes stress within the KDP crystal and further militates against the SHG efficiency; however, the SHG efficiency could be improved by controlling the stress through adjusting the structural parameters of the mounting set of the KDP Crystal.
机译：研究了高能激光束的辐射力通过安装在磷酸二氢钾（KDP）晶体中的应力对二次谐波产生（SHG）效率的影响，以及通过控制应力来提高SHG效率的有效方法被提议。首先，建立研究辐射力对SHG效率影响的模型，从理论上分析辐射力，对辐射力引起的应力进行理论分析，并采用有限元方法进行数值计算，从理论上分析了应力对SHG效率的影响。然后，研究了通过调节KDP晶体的安装座的结构参数来控制应力来提高SHG效率的方法。它证明了辐射力在KDP晶体内引起应力，并进一步不利于SHG效率。但是，通过调整KDP晶体安装套件的结构参数来控制应力，可以提高SHG效率。

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  • 来源
    《Optical engineering》 |2018年第1期|015106.1-015106.5|共5页
  • 作者

    Ruifeng Su; Mingzhi Zhu; Zhan Huang; Baoxu Wang; Wenkai Wu;

  • 作者单位

    China Academy of Engineering Physics, Institute of Systems Engineering, Mianyang, Sichuan, China;

    China Academy of Engineering Physics, Institute of Systems Engineering, Mianyang, Sichuan, China;

    China Academy of Engineering Physics, Institute of Systems Engineering, Mianyang, Sichuan, China;

    China Academy of Engineering Physics, Institute of Systems Engineering, Mianyang, Sichuan, China;

    China Academy of Engineering Physics, Institute of Systems Engineering, Mianyang, Sichuan, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    lasers; radiation force; nonlinear optics; potassium dihydrogen phosphate crystal; optomechanical design;

    机译：激光辐射力非线性光学磷酸二氢钾晶体;光学机械设计;

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