Reflective cholesteric liquid crystal polarizers and their applications

Le Li; Jianfeng Li; Bunsen Fan; Yingqiu Jiang; Sadeg M. Faris

doi:10.1117/12.319689

18 August 1998 Reflective cholesteric liquid crystal polarizers and their applications

Le Li, Jianfeng Li, Bunsen Fan, Yingqiu Jiang, Sadeg M. Faris

Proceedings Volume 3560, Display Devices and Systems II; (1998) https://doi.org/10.1117/12.319689
Event: Photonics China '98, 1998, Beijing, China

Abstract

Various single layer reflective polarizers are introduced based on cholesteric liquid crystal materials containing one polymeric liquid crystal component and other non-reactive liquid crystals. A non-linear pitch gradient has been created during a process called polymerization induced molecular re-distribution. The polarizers in the visible exhibits a high extinction ration (over 30:1) over a bandwidth from 400 to 1,000 nm. When tuned to the near infrared, the polarizer reflects from 700 to 2,000 nm. In addition, field controllable broadband polarizers will be briefly introduced. Finally, applications will be described.

Citation Download Citation

Le Li, Jianfeng Li, Bunsen Fan, Yingqiu Jiang, and Sadeg M. Faris "Reflective cholesteric liquid crystal polarizers and their applications", Proc. SPIE 3560, Display Devices and Systems II, (18 August 1998); https://doi.org/10.1117/12.319689

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