在有机非线性材料、光电导器件、光动力治疗癌症等领域的研究中，带有多种取代基的酞菁配合物受到关注。

Interesting in phthalocyanines modified by different substituents is growing in many fields such as organic nonlinear optical material, photoconducting device, and photodynamic therapy.

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有机非线性材料最突出的优点是，它能够在分子水平上进行结构设计，以期取得最佳的光学非线性响应和其它特定的光电性质。

It is the best advantage that we can devise the nonlinear of the organic materials in molecule level, so that we can get the best optical nonlinear response and other optical character.

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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。

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.

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