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首页> 外文期刊>Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic >An efficient measure to improve the NLO performance by point charge electric field
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An efficient measure to improve the NLO performance by point charge electric field

机译：通过点充电电场提高NLO性能的有效措施

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An increasing number of scientists have focused on the methods to enhance the nonlinear optics (NLO) performance of classic candidates, by chemical design/synthesis or physical measure. In order to validate an innovative strategy to enhance NLO responses while keeping the intrinsic nature of its molecular hyperpolarizabilities through the assistance of point charge electric field, we investigate the efficiency on typical D-pi-A molecular hyperpolarizabilities of 4-nitroaniline a couple of point electric charge (4-nitroaniline@Na+ & Cl- in our study), together with configuration distortion and uniform external electronic field. Our work shows that the most effective method to improve its molecular hyperpolarizability is the introduction of point electric charge among the three strategies, which is around 100 times of the value using external electronic field. Moreover, in our instance the increment of its NLO response can be achieved simply by the distance of a couple of ions. Hopefully, researches with controlling of point electric charge in theory will facilitate the development of NLO materials in experiment.
机译：越来越多的科学家都集中在方法来增强经典候选的非线性光学（NLO）的性能，通过化学设计/合成或物理标准。为了验证一个创新战略，提升的非线性光学响应，同时保持其分子超极化的内在本质，通过点电荷电场的协助下，我们探讨-4-硝基苯胺几个点的典型的d-π-A分子超极化效率电荷（4-硝基苯胺@的Na +氯离子在我们的研究中），与配置失真和均匀的外部电场在一起。我们的工作表明，最有效的方法，以提高其分子量超极化是引入了三种策略间点电荷，这是使用外部电子字段中的值的大约100倍的。此外，在我们的情况下其非线性光学响应的​​增量可以简单地通过一对离子的距离来实现的。我们希望，研究在理论点电荷的控制将有利于非线性光学材料的开发实验。

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