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Crosstalk in phase-coded holographic memories using different orthogonal codes
被引：0
作者：
Wen, ZQ
Tao, Y
Yang, XY
机构：
来源：
PHOTOREFRACTIVE FIBER AND CRYSTAL DEVICES: MATERIALS, OPTICAL PROPERTIES, AND APPLICATIONS III
|
1997年
/
3137卷
关键词：
holographic data storage;
optical memory;
phase-code multiplexing;
Hadamard matrix;
cross talk;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ;
0803 ;
摘要：
The crosstalk noise between volume holograms multiplexed with various orthogonal phase codes is analyzed. The methods for the generation of Hadamard codes of different orders are also briefly described. Compared with a common Hadamard matrix of order of a power of 2, a Hadamard matrix whose order is not a power of 2 generally does not have a single bad code. To achieve the maximum possible storage capacity of a phase-code multiplexed holographic memory, the orthogonal phase codes need to be carefully selected by considering both the available pixel numbers of spatial light modulators and the crosstalk effect between stored holograms.
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页码：123 / 133
页数：11
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