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首页> 外文期刊>RSC Advances >Optimization and diagnostic of nonlinear optical features of pi-conjugated benzodifuran-based derivatives
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Optimization and diagnostic of nonlinear optical features of pi-conjugated benzodifuran-based derivatives

机译：基于PI缀合的苯并二替尼衍生物的非线性光学特征的优化与诊断

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摘要

The nonlinear optical parameters of benzodifuran-based derivatives obtained by a green approach are determined under picosecond laser irradiation. The guest-host polymeric films were prepared on the basis of benzodifuran derivatives incorporated into PMMA. The optical absorption spectra of benzodifuran-based compounds in films and solutions were analyzed and their SHG and THG measurements were performed by means of the Maker fringe technique in transmission scheme using the output beam of a mode-locked Nd: YAG/YVO4 laser generating at 1064 nm with 30 ps pulse duration. The compounds with asymmetrical structure and increased pi-conjugated chains have shown the highest SHG response of the order of 10 (13) m V (1). Z-scan measurements have been carried out at 532 nm and the values of nonlinear optical refractive indexes and absorption coefficients were defined and revealed negative nonlinear refraction and positive nonlinear absorption.
机译：通过绿色方法获得的基于苯二替尼的衍生物的非线性光学参数在PICOSECOND激光照射下确定。 基于掺入PMMA的苯二替替兰衍生物制备宾馆 - 宿主聚合物膜。 分析了苯并二氰基化合物的薄膜和溶液中的光学吸收光谱，并通过使用模式锁定的ND的输出光束在传输方案中通过制造商条纹技术进行它们的SHG和THG测量值：YAG / YVO4激光器在 1064 nm，具有30 ps脉冲持续时间。 具有不对称结构和增加的PI-缀合链的化合物已经显示出10（13）v（1）的最高SHG响应。 Z-扫描测量已经在532nm处进行，并且定义了非线性光学折射率和吸收系数的值并显示出负非线性折射和阳性非线性吸收。

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  • 来源
    《RSC Advances》 |2016年第18期|共9页
  • 作者

    Kulyk B.; Kerasidou A. P.; Soumahoro L.; Moussallem C.; Gohier F.; Frere P.; Sahraoui B.;

  • 作者单位

    Univ Angers UMR CNRS 6200 Inst Sci &

    Mol Technol Angers MOLTECH Anjou 2 Blvd Lavoisier F-49045 Angers France;

    Univ Angers UMR CNRS 6200 Inst Sci &

    Mol Technol Angers MOLTECH Anjou 2 Blvd Lavoisier F-49045 Angers France;

    Univ Angers UMR CNRS 6200 Inst Sci &

    Mol Technol Angers MOLTECH Anjou 2 Blvd Lavoisier F-49045 Angers France;

    Univ Angers UMR CNRS 6200 Inst Sci &

    Mol Technol Angers MOLTECH Anjou 2 Blvd Lavoisier F-49045 Angers France;

    Univ Angers UMR CNRS 6200 Inst Sci &

    Mol Technol Angers MOLTECH Anjou 2 Blvd Lavoisier F-49045 Angers France;

    Univ Angers UMR CNRS 6200 Inst Sci &

    Mol Technol Angers MOLTECH Anjou 2 Blvd Lavoisier F-49045 Angers France;

    Univ Angers UMR CNRS 6200 Inst Sci &

    Mol Technol Angers MOLTECH Anjou 2 Blvd Lavoisier F-49045 Angers France;

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  • 正文语种 eng
  • 中图分类 化学;
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