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Proceedings Paper

Holographic data storage in thin polymer films
Author(s): Pal Koppa; Peter Varhegyi; T. Ujvari; Monika Lovasz; Gabor Szarvas; Ferenc Ujhelyi; Gabor Erdei; Judit Remenyi; Laszlo Domjan; Attila Suto; Emoke Lorincz
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Paper Abstract

We present our results on polarization holographic data storage in thin azobenzene side chain polymers. Two different systems have been demonstrated: a read only system with red diode laser and a read&write system with green frequency doubled solid state lasers. Error free operation have been proved at 2.77 bit/µm2 data density. We have also demonstrated enhanced security holographic storage by applying phase coded reference waves imaged onto the hololographic storage material. We also present the concept of extending the principle to multilayer holographic storage.

Paper Details

Date Published: 8 December 2003
PDF: 13 pages
Proc. SPIE 5216, Organic Holographic Materials and Applications, (8 December 2003); doi: 10.1117/12.513615
Show Author Affiliations
Pal Koppa, Budapest Univ. of Technology and Economics (Hungary)
Peter Varhegyi, Budapest Univ. of Technology and Economics (Hungary)
T. Ujvari, Budapest Univ. of Technology and Economics (Hungary)
Monika Lovasz, Budapest Univ. of Technology and Economics (Hungary)
Gabor Szarvas, Optimal Optik, Ltd. (Hungary)
Ferenc Ujhelyi, Budapest Univ. of Technology and Economics (Hungary)
Gabor Erdei, Budapest Univ. of Technology and Economics (Hungary)
Judit Remenyi, Budapest Univ. of Technology and Economics (Hungary)
Laszlo Domjan, Optimal Optik, Ltd. (Hungary)
Attila Suto, Optimal Optik, Ltd. (Hungary)
Emoke Lorincz, Budapest Univ. of Technology and Economics (Hungary)


Published in SPIE Proceedings Vol. 5216:
Organic Holographic Materials and Applications
Klaus Meerholz, Editor(s)

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