Especially the characteristics of nonlinear optics, photo-isomerization and photoinduced anisotropy are emphasized, because they are crucial for optical storage.

其中着重介绍了光致异构和光致各向异性特性，这些特性对于光存储研究非常关键。

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Photosensitive molecules and their photo isomerization have been extensively investigated in the field of molecular photochemistry.

光敏分子和它们在光作用下发生的异构化一直是分子光化学研究领域中感光趣的课题。

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The problem of photophysics, spectrum and photo isomerization of bis(benzoxadyl) stilbene in different solvents were studied carefully.

对双（苯并唑）化合物在不同极性溶剂中的光谱、光物理及光顺反异构化问题进行了详细研究。

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