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Experimental and theoretical study of the weak and asymmetrical thermal lens effect of Nd:YLF crystal for sigma and pi polarizations

机译:Nd:YLF晶体对sigma和pi极化的弱和不对称热透镜效应的实验和理论研究

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摘要

The thermal lens effect of Nd:YLF crystal for different polarized beams is experimentally and theoretically studied in this paper. In the experiment, the different thermal lens effects of Nd:YLF crystal along a and c axes for pi- and sigma-polarized probe beams are observed, and the values of the focal lengths are measured. The theoretical analysis is made to explain the extremely weak thermal lens effect along the c axis, as well as that for the sigma-polarized beam. And it is corroborated that the complementation among the thermo-optical coefficient, the thermal end bulging and the photoelastic effects contributes to the weak and asymmetry thermal lens effect of Nd:YLF crystal.
机译:本文通过实验和理论研究了Nd:YLF晶体对不同偏振光束的热透镜效应。在实验中,观察了Nd:YLF晶体沿pi轴和pi轴偏振探测光束沿a和c轴的不同热透镜效应,并测量了焦距值。进行了理论分析,以解释沿c轴以及sigma偏振光束的极弱热透镜效应。并且证实了热光学系数,热端凸出和光弹性效应之间的互补导致了Nd:YLF晶体的弱且不对称的热透镜效应。

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  • 来源
    《Applied physics》 |2015年第4期|689-696|共8页
  • 作者单位

    Tsinghua Univ, State Key Lab Precis Measurement Technol & Instru, Dept Precis Instrument, Beijing 100084, Peoples R China;

    Tsinghua Univ, State Key Lab Precis Measurement Technol & Instru, Dept Precis Instrument, Beijing 100084, Peoples R China;

    Tsinghua Univ, State Key Lab Precis Measurement Technol & Instru, Dept Precis Instrument, Beijing 100084, Peoples R China;

    Tsinghua Univ, State Key Lab Precis Measurement Technol & Instru, Dept Precis Instrument, Beijing 100084, Peoples R China;

    Tsinghua Univ, State Key Lab Precis Measurement Technol & Instru, Dept Precis Instrument, Beijing 100084, Peoples R China;

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

  • 入库时间 2022-08-18 03:08:06

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