激光技术, 2008, 32 (2): 0116, 网络出版: 2010-06-03  

阳极氧化铝膜的偏振光谱特性研究

Optical polarization property of porous anodic alumina template
作者单位
1 曲阜师范大学 激光研究所,曲阜 273165
2 曲阜师范大学 物理工程学院,曲阜 273165
摘要
为了测试阳极氧化铝膜的偏振光谱特性,在硫酸溶液中,采用二次阳极氧化的方法获得了孔洞分布均匀、有序的纳米多孔阳极氧化铝膜,对其形貌和结构、透射和偏振光谱特性进行了理论分析和实验验证。研究结果表明,在温度较低和阳极氧化电流密度比较大的条件下制备阳极氧化铝,铝未被完全氧化,孔与孔之间含有剩余的铝柱,这些铝柱构成各向异性纳米金属列阵。X射线衍射图谱显示,多孔阳极氧化铝膜具有氧化铝的非晶态结构;透射光谱和偏振光谱显示,在可见光及近红外光区多孔阳极氧化铝具有很好的透射比和一定的偏光特性。研究结果对含金属纳米线的多孔铝复合结构的偏振器件的制作具有参考价值。
Abstract
In order to study the optical polarization property of porous anodic alumina template,the homogeneous and ordered porous anodic alumina(PAA)temple was prepared by twice-anodic oxidation in H2SO4,solution. The morphological,structural and optical polarization property of the obtained PAA was characterized and analyzed. It is revealed the the PAA is anodized at low room temperature with a large current density. The aluminum is only partially oxidized and there is residual aluminum located between pores which formed nanoarray. The result of X-ray diffractogram shows that the PAA is anodic alumina amorphous state,and the transmission and polarization spectrum have indicated that PAA has better transmittance and some extinction ratio in the visible region and the near infrared region. The obtained results is favor of fabricating micropolarizers with anodic alumina film with implanted nanohole metallic arrays.

郑萌萌, 吴福全, 刘在国, 张立春, 李清山, 田建祥. 阳极氧化铝膜的偏振光谱特性研究[J]. 激光技术, 2008, 32(2): 0116. ZHENG Meng-meng, WU Fu-quan, LIU Zai-guo, ZHANG Li-chun, LI Qing-shan, TIAN Jian-xiang. Optical polarization property of porous anodic alumina template[J]. Laser Technology, 2008, 32(2): 0116.

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