Pattern of liquid crystalline droplets induced by two beam interference in azobenzene derivative

Maciej Czajkowski; Klaudia Dradrach; Stanislaw Bartkiewicz; Zbigniew Galewski

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Pattern of liquid crystalline droplets induced by two beam interference in azobenzene derivative

机译：偶氮苯衍生物中两束干扰引起的液晶液滴的分布图

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A pattern of liquid crystalline droplets dispersed in the isotropic liquid can be formed during illumination by two interfering laser beams in certain range of the temperature and the light intensity. Azobenzene derivative substituted by long alkyl and alkoxy chains exhibiting smectic phases has been used for the study. The pattern can be reversibly erased and rewritten by shutting down and opening of the interfering beams. Polarized microscope images have shown the formation of numerous liquid crystalline droplets at bright regions of the interference fringes. Influence of the temperature and the light intensity has been studied by measuring the diffraction efficiency dynamics. Photothermal and photoorientational mechanisms of the formation of liquid crystalline droplets pattern have been proposed and discussed.

机译：在照明期间，通过在温度和光强度的一定范围内的两个干涉激光束，可以形成分散在各向同性液体中的液晶液滴的图案。该研究已使用被表现出近晶相的长烷基和烷氧基链取代的偶氮苯衍生物。通过关闭和打开干涉光束，可以可逆地擦除和重写图案。偏光显微镜图像显示出在干涉条纹的明亮区域形成了许多液晶小滴。通过测量衍射效率动力学研究了温度和光强度的影响。已经提出并讨论了形成液晶微滴图案的光热和光取向机制。

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来源
《Optical Materials》 |2013年第12期|2449-2455|共7页
作者
Maciej Czajkowski; Klaudia Dradrach; Stanislaw Bartkiewicz; Zbigniew Galewski;
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作者单位

Wroclaw University of Technology Wybrzeze Wyspianskiego 27 50-370 Wroclaw Poland;

University of Wroclaw Joliot-Curie 14 50-383 Wroclaw Poland;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Liquid crystal; Liquid crystalline domains; Azobenzene; Phase transition; Two wave mixing; Switching;

机译：液晶;液晶域;偶氮苯;相变;两波混频;交换;

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1. Photoinduced Crystal-to-Liquid Phase Transitions of Azobenzene Derivatives and Their Application in Photolithography Processes through a Solid-Liquid Patterning [J] . Yasuo Norikane, Emi Uchida, Satoko Tanaka, Organic letters . 2014,第19期

机译：偶氮苯衍生物的光致晶相转变及其在固液图案化中的光刻工艺应用
2. Photoinduced Crystal-to-Liquid Phase Transitions of Azobenzene Derivatives and Their Application in Photolithography Processes through a Solid-Liquid Patterning [J] . Yasuo Norikane, Emi Uchida, Satoko Tanaka, Organic letters . 2014,第19期

机译：偶氮苯衍生物的光致晶相转变及其在固液图案化中的光刻工艺应用
3. Photo-Triggered Shape Reconfiguration in Stretchable Reduced Graphene Oxide-Patterned Azobenzene-Functionalized Liquid Crystalline Polymer Networks [J] . Cho Woongbi, Jeon Jisoo, Eom Wonsik, Advanced Functional Materials . 2021,第31期

机译：可伸缩的石墨烯氧化物图案偶氮苯官能化液晶高分子网络中的光触发形状重新配置
4. Light-induced deformation of liquid crystalline polymer networks containing azobenzene chromophores [C] . Vladimir Toshchevikov, Tatiana Petrova, Marina Saphiannikova Conference on liquid crystals . 2014

机译：含偶氮苯发色团的液晶聚合物网络的光致形变
5. The electronic structures and optical properties of liquid crystalline and non-liquid crystalline polyacetylene derivatives [D] . Huang, Yuan Ming 2000

机译：液晶和非液晶聚乙炔衍生物的电子结构和光学性质
6. Ultrafast isomerization-induced cooperative motions to higher molecular orientation in smectic liquid-crystalline azobenzene molecules [O] . Masaki Hada, Daisuke Yamaguchi, Tadahiko Ishikawa, -1

机译：近晶液晶偶氮苯分子中超快异构化诱导的向更高分子取向的协同运动
7. Applications of low molecular liquid crystalline derivatives of azobenzene [O] . J. Mysliwiec, M. Czajkowski, S. Bartkiewicz, 2011

机译：偶氮苯低分子液晶衍生物的应用
8. Thermally Induced Interference Patterns in Liquids [R] . Alpert, S. S. 1969

机译：液体中的热致干扰模式

Pattern of liquid crystalline droplets induced by two beam interference in azobenzene derivative

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