通过紫外-可见吸收光谱、时间分辨荧光和旋转样品二次谐波方法研究了半花菁和花生酸交替LB多层膜在偏振紫外光照射下的光诱导各向异性. 实验发现, 在ns紫外偏振光照射下, LB多层膜中分子发色团长轴向照射光偏振方向重新取向, 并使H聚集体程度增强.
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