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可调节的光子带间隙晶体基于一个液晶透逆光结构的液晶

Shoichi Kubo¹, Zhong-Ze Gu, Kazuyuki Takahashi

¹Department of Applied Chemistry, School of Engineering, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan.

Journal of the American Chemical Society

|July 1, 2004

概括

可调节的光子晶体是使用液晶 (LC) 在SiO(2) 逆光膜中实现的. 控制LC定向和相位转换动态改变了先进光学设备的光学性能.

科学领域:

材料科学材料科学材料科学
光学是什么?光学是什么?光学是什么?
纳米技术纳米技术

背景情况:

逆光膜由于其光子结构而表现出独特的光学特性.
液晶具有可调节的光学特性,受温度,相位和分子方向的影响.

研究的目的:

用于制造阴性液晶 (LCs) 和SiO(2) 逆光膜的复合材料.
为了研究LCs对逆光膜的光学特性的影响.
为了证明光子带结构对潜在应用的可调性.

主要方法:

复合材料的制造整合LCs与SiO(2) 逆光膜.
光学属性的表征,包括反射谱.
分析有效的折射率和LC分子方向在光空隙中的分析.

主要成果:

复合材料与赤裸的逆光膜相比,显示出明显的光学特性.
通过通过方向,相位和温度改变LC折射率来调整光学性能.
液晶的热或光诱导的相位过渡导致光学特性发生大幅变化,使可调节的光子晶体成为可能.
在逆光空隙内LC分子的方向被确定为光学属性调制的主要机制.

结论:

可以调节的光子晶体是通过将LC与反向光结构相结合而成功实现的.
电路线的方向和相变提供了一个控制光子带结构的机制.
这些复合材料有望在光学设备和基础研究中的实际应用.

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