PERFORMANCE OF REAL-TIME ASSOCIATIVE MEMORY USING A PHOTOREFRACTIVE CRYSTAL AND LIQUID-CRYSTAL ELECTROOPTIC SWITCHES

被引:10
作者
XU, HY [1 ]
YANG, Y [1 ]
YU, YL [1 ]
XU, KB [1 ]
XU, YH [1 ]
机构
[1] HARBIN INST TECHNOL,DEPT APPL PHYS,HARBIN 15006,PEOPLES R CHINA
来源
APPLIED OPTICS | 1990年 / 29卷 / 23期
关键词
D O I
10.1364/AO.29.003375
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a real time holographic associative memory implemented with photorefractive KNSBN:Co crystal as the memory element and a liquid crystal electrooptic switch array as the reflective thresholding device. Our experiment stores and recalls two images and shows that the system has real time multiple-image storage and recall functions. An associative memory with a dynamic threshold level to decide the closest match of an incomplete input is proposed. © 1990 Optical Society of America.
引用
收藏
页码:3375 / 3379
页数:5
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