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Study of Optical Switching and Reorientation in Liquid Crystals of Homologous Series of 4-n-butyl-4′-n-alkoxyazobenzenes

 

作者: Vladimir Grozhik,   Helen Gleeson,   Svetlana Serak,   Samanta Watson,   Alexander Agashkov,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1998）
卷期: Volume 320, issue 1  

页码: 433-444

 

ISSN:1058-725X

 

年代: 1998

 

DOI:10.1080/10587259808024413

 

出版商: Taylor & Francis Group

 

关键词: azobenzenes;liquid crystals;phase transition;reorientation;laser

 

数据来源: Taylor

 

摘要:

Two mechanisms of optical response in liquid crystals (LC) of homologous series 4-n-butyl-4′-n-alkoxyazobenzenes (BAAB), namely the photochemical phase transition and reorientation in bulk of LC are considered. The temporal parameters of writing (Ar+laser) and erasing (He-Ne laser) of information on BAAB on the basis of photoinduced phase transition are presented. The phenomenon of reorientation of BAAB molecules in planar oriented layer induced with second of Nd:YAG laser in directions orthogonal to initial alignment was revealed.

 

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