Holographic display and storage based on photo-responsive liquid crystals

被引:33
作者
Zhou, Pengcheng [1 ]
Li, Yan [1 ]
Li, Xiao [1 ]
Liu, Shuxin [1 ]
Su, Yikai [1 ]
机构
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Natl Engn Lab TFT LCD Mat & Technol, Shanghai, Peoples R China
基金
中国国家自然科学基金;
关键词
Liquid crystals; azo dye; quantum dot; holographic display; holographic storage; polymer-dispersed liquid crystals; blue-phase; PHOTOCHEMICAL PHASE-TRANSITION; NONLINEAR-OPTICAL PROCESSES; SPACE-CHARGE FIELDS; AZO-DYE; GRATING FORMATION; REFRACTIVE-INDEX; HIGH-EFFICIENCY; POLYMER; DIFFRACTION; ALIGNMENT;
D O I
10.1080/21680396.2016.1233079
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Liquid crystals (LCs) are widely used in nonlinear optics because of their sensitive responses to optical stimulation. Combined with other optoelectronic materials such as azo dyes, quantum dots (QDs), etc., LCs show very large optical nonlinearity which makes them suitable for applications in optical information processing, including holographic display and holographic storage. In this review, we present an overview of recent efforts on holographic display and storage based on liquid crystalline materials. Emphasis is placed on the dynamic holographic display which uses fast-response LCs doped with azo dye and QD. In this application, we discuss how to improve the response speed, resolution, and diffraction efficiency of liquid crystalline materials to realize high frame rate, largesize and high-brightness holographic displays. Some LC materials for holographic storage are also introduced, including polymer-dispersed liquid crystals, blue-phase liquid crystals, and azobenzene polymer liquid crystals, which have permanent response to light stimulation. The mechanisms of optical nonlinearities are discussed in detail, as a foundation for the physical process of LC-based holographic display and storage.
引用
收藏
页码:83 / 100
页数:18
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