National Changhua University of Education Institutional Repository : Item 987654321/18221
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题名: Security Optical Data Storage in Fourier Holograms
作者: Su, Wei-Chia;Chen, Yu-Wen;Chen, Yu-Jen;Lin, Shiuan-Huei;Wang, Li-Karn
贡献者: 光電科技研究所
日期: 2012-03
上传时间: 2014-04-01T03:57:01Z
出版者: Optical Society of America
摘要: We have proposed and demonstrated a holographic security storage system that is implemented with a shift multiplexing technique. The security function of this storage system is achieved by using a microdiffuser (MD) for random phase encoding of the reference beams. The apparatus of random phase encoding in this system offers an additional and flexible function during the recording processes. The system can generate holographic security memory or nonsecurity holographic memory via using the MD or not. The storage capacity and the average signal-to-noise value of the security storage system are 16 bits/μm 2 and 3.5, respectively. Lateral shifting selectivity in this holographic security storage system is theoretically analyzed and experimentally investigated.
關聯: Applied Optics, 51(9): 1297-1303
显示于类别:[光電科技研究所] 期刊論文

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