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首页> 外文期刊>Applied optics >ELECTRO-OPTIC POCKELS AND KERR EFFECTS FOR THE DETERMINATION OF CHI(2) AND CHI(3) - THIN FILMS OF SIDE-CHAIN POLYMERS CONTAINING DIMETHYLAMINONITROSTILBENE AND OF THE POLYDIACETYLENE POLY-(BUTOXYCARBONYLMETHYLENEURETHANE)
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ELECTRO-OPTIC POCKELS AND KERR EFFECTS FOR THE DETERMINATION OF CHI(2) AND CHI(3) - THIN FILMS OF SIDE-CHAIN POLYMERS CONTAINING DIMETHYLAMINONITROSTILBENE AND OF THE POLYDIACETYLENE POLY-(BUTOXYCARBONYLMETHYLENEURETHANE)

机译：光电池和克尔效应测定CHI（2）和CHI（3）-包含二甲基氨基异锡苯乙烯和聚二乙炔乙烯聚（丁酮碳乙烯聚乙烯）的侧链聚合物的薄膜。

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摘要

A simple reflection method that is based on ellipsometry and the electro-optic Pockels and Kerr effects is adapted for the determination of the electro-optic susceptibilities chi((2))(-omega; 0, omega) and chi((3))(-omega; 0, 0, omega). Measurements were made on materials that consist of centrosymmetric molecules like the polydiacetylene poly-(butoxycarbonylmethyleneurethane) (poly-4BCMU) and on a noncentrosymmetric poled sidechain polymer that contains dimethylaminonitrostilbene (ANS). The results are compared with those acquired by other methods (e.g., second-harmonic generation, third-harmonic generation, and degenerate four-wave mixing). Large differences occur, especially for the chi((3)) values. The effects of mechanical strains from electrostatic forces and from the field-dependent change of the absorption are discussed. [References: 19]
机译：一种基于椭偏仪和电光Pockels和Kerr效应的简单反射方法适用于确定电光磁化率chi（（2））（-omega; 0，omega）和chi（（3）） （-omega; 0、0，omega）。在由诸如聚二乙炔聚（丁氧基羰基亚氨基甲酸酯）（poly-4BCMU）的中心对称分子组成的材料上以及包含二甲基氨基硝基苯乙烯（ANS）的非中心对称极化侧链聚合物上进行了测量。将结果与通过其他方法（例如，二次谐波产生，三次谐波产生和简并四波混频）获得的结果进行比较。会有很大的差异，尤其是对于chi（（3））值。讨论了静电力和磁场的吸收变化对机械应变的影响。 [参考：19]

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