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A Novel Technique for Optical Imaging of Liquid Crystal Alignment Layers

 

作者: Ju-Hyun Lee,   Chang-Jae Yu,   Sin-Doo Lee,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1998）
卷期: Volume 321, issue 1  

页码: 317-322

 

ISSN:1058-725X

 

年代: 1998

 

DOI:10.1080/10587259808025098

 

出版商: Taylor & Francis Group

 

关键词: phase modulation;alignment layer;rubbing

 

数据来源: Taylor

 

摘要:

We have employed a phase modulation method using a photoelastic modulator to determine the uniformity and quality of the alignment layer of liquid crystals (LCs). It is demonstrated that a two-dimensional map of the phase retardation, associated with irregular rubbing and/or chemical contaminants, provides invaluable information about an early detection of defects involved for aligning the LC molecules on a substrate.

 

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