Read/write demonstrator of rewritable holographic memory card system

E. Lörincz, F. Ujhelyi, P. Koppa, A. Kerekes, G. Szarvas, G. Erdei, J. Fodor, Sz Mike, A. Süto, P. Várhegyi, P. S. Ramanujam, S. Hvilsted

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

We present the improved demonstrator of our rewritable holographic memory card system. High density optical storage is realized in a non-commercial optical set-up. Fourier transformed recording is used in a polarization holographic arrangement realizing reading and writing from the same side of the data carrier which is a modified plastic card. Holograms containing binary information of 300 × 220 bits are as small as 0.0484 mm2. The storage layer is amorphous polyester providing repeated writing and erasure cycles and thousandfold readouts without loss of information. Alternate read only system providing non-volatile storage can be realized using 635 nm laser diode.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsT. Hurst, S. Kobayashi
Pages566-573
Number of pages8
Volume4342
DOIs
Publication statusPublished - 2002
EventOptical Data Storage 2001 - Santa Fe,NM, United States
Duration: Apr 22 2001Apr 25 2001

Other

OtherOptical Data Storage 2001
CountryUnited States
CitySanta Fe,NM
Period4/22/014/25/01

Fingerprint

Nonvolatile storage
Density (optical)
cards
Holograms
Semiconductor lasers
Polyesters
Polarization
Plastics
Data storage equipment
optical density
polyesters
readout
plastics
semiconductor lasers
recording
cycles
polarization

Keywords

  • Amorphous polyester
  • Holographic memory
  • Optical card
  • Polarization holography

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Lörincz, E., Ujhelyi, F., Koppa, P., Kerekes, A., Szarvas, G., Erdei, G., ... Hvilsted, S. (2002). Read/write demonstrator of rewritable holographic memory card system. In T. Hurst, & S. Kobayashi (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 4342, pp. 566-573) https://doi.org/10.1117/12.453409

Read/write demonstrator of rewritable holographic memory card system. / Lörincz, E.; Ujhelyi, F.; Koppa, P.; Kerekes, A.; Szarvas, G.; Erdei, G.; Fodor, J.; Mike, Sz; Süto, A.; Várhegyi, P.; Ramanujam, P. S.; Hvilsted, S.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / T. Hurst; S. Kobayashi. Vol. 4342 2002. p. 566-573.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lörincz, E, Ujhelyi, F, Koppa, P, Kerekes, A, Szarvas, G, Erdei, G, Fodor, J, Mike, S, Süto, A, Várhegyi, P, Ramanujam, PS & Hvilsted, S 2002, Read/write demonstrator of rewritable holographic memory card system. in T Hurst & S Kobayashi (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 4342, pp. 566-573, Optical Data Storage 2001, Santa Fe,NM, United States, 4/22/01. https://doi.org/10.1117/12.453409
Lörincz E, Ujhelyi F, Koppa P, Kerekes A, Szarvas G, Erdei G et al. Read/write demonstrator of rewritable holographic memory card system. In Hurst T, Kobayashi S, editors, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 4342. 2002. p. 566-573 https://doi.org/10.1117/12.453409
Lörincz, E. ; Ujhelyi, F. ; Koppa, P. ; Kerekes, A. ; Szarvas, G. ; Erdei, G. ; Fodor, J. ; Mike, Sz ; Süto, A. ; Várhegyi, P. ; Ramanujam, P. S. ; Hvilsted, S. / Read/write demonstrator of rewritable holographic memory card system. Proceedings of SPIE - The International Society for Optical Engineering. editor / T. Hurst ; S. Kobayashi. Vol. 4342 2002. pp. 566-573
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