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Design and preparation of hybrid films containing three-branched chromophores for nonlinear optical applications

机译：用于非线性光学应用的三分支发色团的混合膜的设计与制备

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To achieve excellent second nonlinear optical properties, a new series of hybrid films with homogeneous morphology were fabricated via a Diels–Alder reaction of a maleimide modified trichromophore dendrimer with a furan-containing alkoxysilane dye. The hybrid films were cured. The second-order nonlinear optical behavior of the hybrid films were investigated through second harmonic generation (SHG) experiments at 1064 nm. Resonance-enhanced values of the SHG coefficient d _(33) tend to boost with the chromophore content increasing from 16.56 to 66.56 wt%. Compared with the polymer film, the d _(33) of the hybrid film was determined to be 93.51 pm V ~(?1) , showing an improvement of 24.41% compared with the reduction of chromophore density by about 33.44 wt%. Furthermore, the hybrid film showed an enhanced T _(d/2) of 123 °C. This Diels–Alder cross-link hybrid film would be a new choice in the development of nonlinear optical materials and devices.
机译：为了实现优异的第二个非线性光学性质，通过用含呋喃的烷氧基硅烷染料的马来酰亚胺改性的Trichroomophore Dendimer的Diels-Alder反应制造具有均相形貌的新系列混合膜。混合膜固化。通过在1064nm的第二次谐波产生（SHG）实验中研究了混合膜的二阶非线性光学行为。 SHG系数D _（33）的共振增强值倾向于将发色团含量从16.56增加到66.56wt％。与聚合物膜相比，将杂化膜的D _（33）测定为93.51μmV〜（α1），与发色团密度的还原约33.44wt％相比，改善了24.41％。此外，杂化膜显示123℃的增强型T _（D / 2）。该DIES-桤木交联杂交膜是非线性光学材料和器件开发的新选择。

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