Fabrication of Bilayer Dichroic Films Using Liquid Crystal Materials for Multiplex Applications.,ACS Applied Materials & Interfaces

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Fabrication of Bilayer Dichroic Films Using Liquid Crystal Materials for Multiplex Applications.
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2020-09-07 , DOI: 10.1021/acsami.0c13663
Geonhyeong Park ₁ , Yun-Seok Choi ₂ , Hee Seong Yun ₂ , Dong Ki Yoon _{1,

2,

3}

Affiliation

A bilayer dichroic-doped liquid crystal (BDLC) film is fabricated via the uniaxial alignment method and a photopolymerization process. It is found to be useful in dichroic color filters, dual-mode circular polarizers, and chirality detectors. Two kinds of dichroic films with different absorbing wavelengths are cross-stacked to show various colors and contrasts depending on the polarization direction of the incident linearly polarized light, which is comparable with the conventional single-layer dichroic dye-doped (SDLC) film that only shows the contrast difference. This platform can be used in many other applications beyond the applications presented in this study, such as multicolor holograms, optical signal encryption, and electrically tunable devices.

中文翻译：

使用液晶材料进行多层应用的双层二向色膜的制造。

通过单轴取向方法和光聚合工艺制备双层二向色掺杂液晶（BDLC）膜。发现它可用于二向色滤色镜，双模圆偏振器和手性检测器。根据入射的线性偏振光的偏振方向，将具有不同吸收波长的两种二向色膜交叉堆叠以显示各种颜色和对比度，这与仅单层二向色染料掺杂（SDLC）膜可比。显示对比度差异。除了本研究中介绍的应用程序之外，该平台还可以用于许多其他应用程序，例如多色全息图，光信号加密和电可调设备。

更新日期：2020-10-07

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