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Effect of dipolar and quadrupolar contribution in first hyperpolarizability of dimethylaniline

机译:偶极和四极贡献对二甲基苯胺首次超极化性的影响

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摘要

The polarization resolved analysis of harmonic generation has been performed on 2,5-Dimethylaniline (DMA) dissolved in Tetrahydrofuran (THF). The internal reference method of Hyper Rayleigh Scattering technique yields the first hyperpolarizability of DMA to be 0.84 × 10-30 esu at 514 nm wavelength from an Ar-ion Laser. The Second Harmonic (SH) signal has also been measured, with respect to the incident polarization angle of the laser beam, to verify the contribution of electric dipole and quadrupole moments in the first hyperpolarizability of DMA. It is found that the electric dipole contributes the most (>90 %) to the hyperpolarizability.
机译:已对溶解在四氢呋喃(THF)中的2,5-二甲基苯胺(DMA)进行了谐波分解的极化分解分析。使用高瑞利散射技术的内部参考方法,使用Ar离子激光器在514 nm波长处产生DMA的第一超极化率为0.84×10-30 esu。还已针对激光束的入射偏振角测量了第二谐波(SH)信号,以验证电偶极矩和四极矩在DMA的第一超极化能力中的作用。发现电偶极子对超极化率的贡献最大(> 90%)。

著录项

  • 来源
    《Journal of Optics》 |2017年第1期|37-42|共6页
  • 作者单位

    Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh;

    Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh;

    Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh;

    Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh;

    Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh;

    Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh;

    Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh;

    Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh,Sylhet International University, Sylhet, Bangladesh;

    Department of Physics, Shahjalal University of Science and Technology, Sylhet, Bangladesh;

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

    Harmonic generation; Optical nonlinearities in organic materials; Scattering, stimulated;

    机译:谐波产生;有机材料中的光学非线性;散射;刺激;

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