Encrypted holographic memory using angular multiplexing in LiNbO3:Fe

Osamu Matoba; Bahram Javidi

doi:10.1117/12.363961

1 October 1999 Encrypted holographic memory using angular multiplexing in LiNbO₃:Fe

Osamu Matoba, Bahram Javidi

Proceedings Volume 3804, Algorithms, Devices, and Systems for Optical Information Processing III; (1999) https://doi.org/10.1117/12.363961
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

An encrypted holographic memory based on double random phase encoding and angular multiplexing is presented. A 2D digital image is encrypted by two random phase codes located at the input and Fourier planes. The input digital image is displayed on a liquid crystal display. In a photorefractive LiNbO₃:Fe crystal, Fourier-transformed patterns of encrypted images are stored holographically by using angular multiplexing. Experimental results of encryption and decryption of digital data are presented.

Citation Download Citation

Osamu Matoba and Bahram Javidi "Encrypted holographic memory using angular multiplexing in LiNbO₃:Fe", Proc. SPIE 3804, Algorithms, Devices, and Systems for Optical Information Processing III, (1 October 1999); https://doi.org/10.1117/12.363961

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