8 December 2003 Holographic data storage in thin polymer films
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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.
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Pal Koppa, Pal Koppa, Peter Varhegyi, Peter Varhegyi, T. Ujvari, T. Ujvari, Monika Lovasz, Monika Lovasz, Gabor Szarvas, Gabor Szarvas, Ferenc Ujhelyi, Ferenc Ujhelyi, Gabor Erdei, Gabor Erdei, Judit Remenyi, Judit Remenyi, Laszlo Domjan, Laszlo Domjan, Attila Suto, Attila Suto, Emoke Lorincz, Emoke Lorincz, } "Holographic data storage in thin polymer films", Proc. SPIE 5216, Organic Holographic Materials and Applications, (8 December 2003); doi: 10.1117/12.513615; https://doi.org/10.1117/12.513615

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