Wavefront compensation method using novel index in holographic data storage

被引：3
|
作者：
Ishii, Norihiko [1 ]
Muroi, Tetsuhiko [1 ]
Kinoshita, Nobuhiro [1 ]
Kamijo, Koji [1 ]
Shimidzu, Naoki [1 ]
机构：
[1] NHK Japan Broadcasting Corp, Sci & Technol Res Labs, Setagaya Ku, Tokyo 1578510, Japan
来源：
JOURNAL OF THE EUROPEAN OPTICAL SOCIETY-RAPID PUBLICATIONS | 2010年 / 5卷
关键词：
holographic data storage; adaptive optics; wavefront compensation; photopolymer; IMAGE; FOCUS; DEPTH;
D O I：
10.2971/jeos.2010.10036s
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Photopolymer media that uses holographic data storage generally causes volume shrinkage. This volume shrinkage distorts the recorded interference fringes. We propose an adaptive optics using novel index to compensate this distortion. The SNR value is improved from 2.1 dB to 3.4 dB in the worst part of a reproduced image and the peak intensity and the full width of the half maximum of an angle are improved by 6% and 10%, respectively. These results prove that adaptive optics using this novel index worked effectively. [DOI: 10.2971/jeos.2010.10036s]
引用
收藏
页数：6
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