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ORIENTATIONAL OSCILLATIONS IN NEMATIC LIQUID CRYSTALS

 

作者: G. H. Heilmeier,   W. Helfrich,  

 

期刊: Applied Physics Letters  （AIP Available online 1970）
卷期: Volume 16, issue 4  

页码: 155-157

 

ISSN:0003-6951

 

年代: 1970

 

DOI:10.1063/1.1653141

 

出版商: AIP

 

数据来源: AIP

 

摘要:

It is shown that ac electric fields can produce orientational oscillations in nematic liquid crystals. The oscillations are observed in thin sandwich cells and probably due to parametric excitation. They are associated with a strong electro‐optic effect, similar to dynamic scattering, but with faster turn‐off times (< 5 msec).

 

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