| 莫尔条纹分析在数字全息存储器中的应用 |
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| 引用本文： | 王也.莫尔条纹分析在数字全息存储器中的应用[J].光子学报,2014,38(11):2972-2974. |
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| 作者姓名： | 王也 |
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| 作者单位： | (1 中国传媒大学 ,理学院 光电学系,北京 100024)（2 北京工业大学 应用数理学院,北京 100022) |
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| 摘 要： | 针对像素不匹配的数字全息存储器中出现的莫尔条纹现象,提出了利用莫尔条纹进行全息存储光路精确调整来实现像素匹配的方法.通过对CCD像面图像中莫尔条纹的周期和角度进行分析,得到光学系统需要的精确调整参数.实验中, 实现了空间光调制器和光电耦合器阵列512×512像素的1∶1像素匹配,该方法能提高读取速度并降低误码率.
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| 关 键 词： | 数字全息存储 莫尔条纹 傅里叶变换镜头 放大率 |
| 收稿时间： | 2008-11-04 |
Moire Fringe Analysis on Digital Holographic Storage |
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| WANG Ye.Moire Fringe Analysis on Digital Holographic Storage[J].Acta Photonica Sinica,2014,38(11):2972-2974. |
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| Authors: | WANG Ye |
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| Institution: | (1 Department of Optics and Electrics, College of Science, Communication University of China,Beijing 100024, China)(2 College of Applied Sciences, Beijing University of Technology, Beijing 100022, China) |
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| Abstract: | According to the phenomenon of Moiré Fringe from the pixel-mismatch digital holographic storage, a precise assemble method is proposed to achieve accurate pixel-match.Based on analyzing the angle and cycle of Moiré Fringe from the CCD image, some relation parameters can determined to adjust the location of optical and mechanical parts for the holographic optical system.Then an optical system is completed to realize 1∶1 pixel-match of 512×512 between spatial light modulator and CCD.This method can improve reading speed and reduce the data error rate of holographic storage system. |
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| Keywords: | Digital holographic storage Moire Fringe Fourier transform lens Magnification |
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