Study of Ultra-Small Optical Anisotropy Profile of Rubbed Polyimide Film by using Transmission Ellipsometry

被引：5
|
作者：
Lyum, Kyung Hun [1 ]
Yoon, Hee Kyu [1 ,2 ]
Kim, Sang Jun [2 ]
An, Sung Hyuck [3 ]
Kim, Sang Youl [2 ,3 ]
机构：
[1] Ajou Univ, Dept Mol Sci & Technol, Suwon 443749, South Korea
[2] EllipsoTechnol Co Ltd, Suwon 442190, South Korea
[3] Ajou Univ, Dept Phys, Suwon 443749, South Korea
来源：
JOURNAL OF THE OPTICAL SOCIETY OF KOREA | 2014年 / 18卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
Ultra-small optical anisotropy; Transmission ellipsometry; Anisotropy profile; Rubbed; polyimide; Alignment layer; MOLECULAR-ORIENTATION;
D O I：
10.3807/JOSK.2014.18.2.156
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Anisotropy profile of a rubbed polyimide film is investigated using both a modified ultra high precision transmission ellipsometer and the analysis software previously developed to determine the optic axis distribution of discotic liquid crystals in the wide view film. The distorted sinusoidal variation of the ellipsometric constants obtained at an oblique angle of incidence indicates that the optic axis varies from 14.7 degrees to 40.6 degrees from the sample plane. The magnitude and distribution of anisotropy is expressed in terms of no, ne, and the cosine-shaped tilt angle distribution of the optic axis in a rubbed polyimide film.
引用
收藏
页码：156 / 161
页数：6
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