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Complex phase/amplitude spatial light modulator advances and use in a multispectral optical correlator
被引：21
作者：
Bauchert, KA
Serati, SA
Sharp, GD
McKnight, DJ
机构：
来源：
OPTICAL PATTERN RECOGNITION VIII
|
1997年
/
3073卷
关键词：
spatial light modulators;
optical correlators;
liquid crystal displays;
manufacturing inspection;
optical processing;
color filters;
multispectral analysis;
security monitoring;
machine vision;
D O I：
10.1117/12.270361
中图分类号：
O43 [光学];
学科分类号：
070207 ;
0803 ;
摘要：
Optical processing systems often require compact high frame rate Spatial Light Modulators (SLMs)(1,2,3,4), usually with application specific modulation requirements in the complex plane(5,6,7,8). In this paper we discuss several advances at Boulder Nonlinear Systems (BNS) toward this goal, including our Liquid Crystal (LC) on VLSI 128x128 analog SLM(9), and our multispectral hybrid incoherent to coherent converter. We also present the analysis of optical modulation possibilities when utilizing Zero Twist Nematic (ZTN) and planar aligned Chiral Smectic LC (CSLC) on a reflective backplane. Finally we present the design of a multispectral optical correlator for machine vision applications such as food inspection, security, or manufacturing inspection.
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页码：170 / 177
页数：2
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