Formation of holographic memory for optically reconfigurable gate array by angle-multiplexing recording of multi-circuit information in liquid crystal composites

被引:0
|
作者
Ogiwara, Akifumi [1 ]
Maekawa, Hikaru [1 ]
Watanabe, Minoru [2 ]
Moriwaki, Retsu [2 ]
机构
[1] Kobe City Coll Technol, Dept Elect Engn, Nishi Ku, 8-3 Gakuen Higashi, Kobe, Hyogo 6512194, Japan
[2] Shizuoka Univ, Fac Engn, Dept Elect & Elect Engn, Hamamatsu, Shizuoka 4328561, Japan
来源
关键词
holographic memory; recording; liquid crystal; optically reconfiguration; laser; angle-multiplexing; gate array; multi-circuit; ANISOTROPIC DIFFRACTION; VOLUME GRATINGS;
D O I
10.1117/12.2038024
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A holographic polymer-dispersed liquid crystal (HPDLC) memory to record multi-context information for an optically reconfigurable gate array is formed by the angle-multiplexing recording using a successive laser exposure in liquid crystal (LC) composites. The laser illumination system is constructed using the half mirror and photomask written by the different configuration contexts placed on the motorized stages under the control of a personal computer. The fabricated holographic memory implements a precise reconstruction of configuration contexts corresponding to the various logical circuits such as OR circuit and NOR circuit by the laser illumination at different incident angle in the HPDLC memory.
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页数:8
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