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10 items by relevance
1 Conference paper

Holographic Memories

Ramanujam, P.S.; Holme, NCR; Berg, RH; Hvilsted, Søren

Proceedings of Spie — 1999, pp. 611-617

A Two-dimensional holographic memory for archival storage is described. Assuming a coherent transfer function, an A4 page can be stored at high resolution in an area of 1 mm(2). Recently developed side-chain liquid crystalline azobenzene polyesters are found to be suitable media for holographic

Year: 1999

Language: English

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2 Conference paper

Holographic memory

Ramanujam, P.S.; Holme, N.C.R.; Berg, R.H.; Hvilsted, S.

Selected Papers From Photonics India '98 — 1999, pp. 611-617

Year: 1999

Language: English

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3 Conference paper

Holographic memories

Ramanujam, P.S.; Berg, R.H.; Hvilsted, Søren

3rd International Conference on Fiber Optics and Photonics — 1999, pp. 953-957

Year: 1999

Language: English

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4 Conference paper

Rewritable Holographic Memory Card System

Lõrincz, E.; Szarvas, G.; Koppa, P.; Erdei, G.; Hvilsted, Søren; Ramanujam, P. S.; et al. (1 more)

Proceedings of Spie — 2000, pp. 185-190

Year: 2000

Language: English

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5 Conference paper

Rewritable holographic memory card system

Lorincz, E.; Koppa, P.; Ujhelyi, F.; Richter, P.I.; Szarvas, G.; Erdei, G.; et al. (1 more)

2000 Optical Data Storage. Conference Digest (cat. No.00th8491) — 2000, pp. 161,162,163

The new rewritable holographic memory card (HMC) of Optilink provides a novel solution for high density optical storage of personal data. In contrast to most holographic storage systems using highly multiplexed transmissive volume holograms in bulk materials, our approach is adapted to the card

Year: 2000

Language: English

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6 Conference paper

Holographic Memory Card System Using Polarization Holography

Gazdag, L; Szarvas, G; Erdei, G; Süto, A; Fodor, J; Lörincz, E; et al. (5 more)

International Symposium on Optical Memory — 2000, pp. 150-151

Year: 2000

Language: English

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7 Book chapter

Storage Density Enhancement in Holographic Memory Card System

Koppa, P.; Várhegyi, P.; Ujvári, T.; Szarvas, G.; Hvilsted, S.; Ramanujam, P. S.; et al. (1 more)

Nonlinear Optics for the Information Society — 2001, pp. 179-184

Our goal is increase the storage density of our rewritable holographic memory card system based on thin film polymer media on credit card size plastic carriers. We use computer simulation to optimize the illumination and the Fourier filtering in order to have optimal trade-off between bit error

Year: 2001

Language: English

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8 Conference paper

Read/write Demonstrator of rewritable holographic memory card system

Lörincz, E; Ujhelyi, F; Koppa, P; Szarvas, G; Erdei, G; Fodor, J; et al. (4 more)

Technical Digest, Optical Data Storage Topical Meeting — 2001, pp. 166-168

Year: 2001

Language: English

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