本文实验研究了偶氮侧链聚合物液晶薄膜(P-CN)的光致双折射和光存储性质.在连续532 nm激光作用下,该液晶薄膜(P-CN)表现出显著的光致双折射(△n～10-2).基于光致双折射效应,实验中获得了长久的、高对比度的光信息记录.
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