Based on the principles of nonlinear optics, the mechanism of third-order nonlinear optical responses of organic molecules and molecular design have also been analyzed.

根据三阶非线性光学基本原理对有机材料三阶非线性光学效应的机理和材料的分子设计作了分析。

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After a brief introduction to the principles of organic nonlinear optics and the procedures of poling, the progresses of polymeric second order nonlinear optical materials are reviewed.

本文在简单介绍了有机非线性光学和极化的原理后，综述了聚合物二阶非线性光学材料的研究进展。

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