首页> 中文期刊> 《长春理工大学学报(自然科学版)》 >螺噁嗪掺杂的聚合物薄膜偏振全息记录研究

螺噁嗪掺杂的聚合物薄膜偏振全息记录研究

         

摘要

Much attention has been given to polarization holography for the important role in high-density information storage. Polarization holographic gratings were classified and mathematically described by Jones matrix. The experimental results of S-S and S-P polarization holographic recording in spirooxazine doped polymer films were presented under UV light irradiation. The phenomenological equation curves, taking photo-isomerization, photo-orientation and the resistance effect of polymer matrix into account, agreed well with the experimental results. It was pointed out that the grating growth dynamics is controlled by the competition between orientation and isomerization. The works provided a theory basis for the application of the material.%偏振全息因其在高密度信息存储中的重要作用而引起人们的广泛关注.本论文讨论了偏振全息光栅的种类,并利用琼斯矩阵进行了数学描述.论文重点研究了螺噁嗪掺杂的聚甲基丙烯酸甲酯S-S和S-P偏振全息动力学过程.考虑到光异构、光取向以及聚合物基质的位阻效应,建立了光栅动力学的唯象模型,通过调整拟合参数,获得的理论曲线与实验结果符合得很好,表明异构光栅与取向光栅的生长过程存在竞争.研究结果为该材料的实用化提供了理论依据.

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