Rewritable holographic memory card system

Emoeke Loerincz; Ferenc Ujhelyi; Attila Sueto; Gabor Szarvas; Pal Koppa; Gabor Erdei; Soeren Hvilsted; P. S. Ramanujam; Peter I. Richter

doi:10.1117/12.399357

18 September 2000 Rewritable holographic memory card system

Emoeke Loerincz; Ferenc Ujhelyi; Attila Sueto; Gabor Szarvas; Pal Koppa; Gabor Erdei; Soeren Hvilsted; P. S. Ramanujam; Peter I. Richter

Author Affiliations +

Proceedings Volume 4090, Optical Data Storage 2000; (2000) https://doi.org/10.1117/12.399357
Event: Optical Data Storage, 2000, Whistler, BC, Canada

Abstract

We present a novel solution for high-density optical storage of data in thin media. The holographic memory card of Optilink provides sixty-fold data density enhancement compared to present commercial LaserCard devices. The 1 - 2 micrometers thin amorphous polyester storage film is capable of rewritable storage using a single laser source for writing and erasing. The polarization holographic principle used in reflection mode requires demanding optical solutions. Successful data evaluations prove applicability of the new system. Density enhancement up to 16 bit/micrometers ² with the use of 20 - 30 micrometers thick layer is also outlined.

Citation Download Citation

Emoeke Loerincz, Emoeke Loerincz, Ferenc Ujhelyi, Ferenc Ujhelyi, Attila Sueto, Attila Sueto, Gabor Szarvas, Gabor Szarvas, Pal Koppa, Pal Koppa, Gabor Erdei, Gabor Erdei, Soeren Hvilsted, Soeren Hvilsted, P. S. Ramanujam, P. S. Ramanujam, Peter I. Richter, Peter I. Richter, } "Rewritable holographic memory card system", Proc. SPIE 4090, Optical Data Storage 2000, (18 September 2000); doi: 10.1117/12.399357; https://doi.org/10.1117/12.399357

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