4 June 2003 Demonstration of holographic smart card system using the optical memory technology
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In this paper, we demonstrate the holographic smart card system using digital holographic memory technique that uses reference beam encrypted by the random phase mask to prevent unauthorized users from accessing the stored digital page. The input data that include document data, a picture of face, and a fingerprint for identification is encoded digitally and then coupled with the reference beam modulated by a random phase mask. Therefore, this proposed system can execute recording in the order of MB~GB and readout all personal information from just one card without any additional database system. Also, recorded digital holograms can't be reconstructed without a phase key and can't be copied by using computers, scanners, or photography.
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JungHoi Kim, JungHoi Kim, JaeKwang Choi, JaeKwang Choi, JunWon An, JunWon An, Nam Kim, Nam Kim, KwonYeon Lee, KwonYeon Lee, SeckHee Jeon, SeckHee Jeon, } "Demonstration of holographic smart card system using the optical memory technology", Proc. SPIE 5005, Practical Holography XVII and Holographic Materials IX, (4 June 2003); doi: 10.1117/12.473871; https://doi.org/10.1117/12.473871

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