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Optical recording devices using smectic layer alignment control in ferroelectric liquid crystals

刊名：	电子情报通信学会技术研究报告：有机エレクトロニクスOrganic Material Electronics(OME).
作者：	Keizo Nakayama Junji Ohtsubo Masanori Ozaki Katsumi Yoshino
刊号：	734D0133-38
ISSN：	0913-5685
出版年：	2001
年卷期：	2001, vol.101, no.575
页码：	7-12
总页数：	6
分类号：	TN
关键词：	Optical recording；Smectic layer；Ferroelectric liquid crystal；Layer rotation；N-SmC phase transition
参考中译：
语种：	jpn
文摘：	We have proposed and demonstrated Optical recording devices using the smectic layer alignment control in ferroelectric liquid crystals. The methods utilizing the chiral nematic (N{sup}) - the chiral smectic C (SmC{sup}) phase transition and utilizing the smectic layer rotation induced by application of asymmetric voltage pulses were proposed. The storage of pattern and the erasing of the stored pattern were demonstrated in the both methods. Depending on the mechanism using only two kinds of the layer alignments, the device using the N{sup}* - SmC{sup}* phase transition can handle only a binary pattern. The device using the smectic layer rotation, however, has the ability to handle a gray-level pattern.