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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 13 — Jun. 30, 2014
  • pp: 16439–16444

Magnetic volumetric hologram memory with magnetic garnet

Yuichi Nakamura, Hiroyuki Takagi, Pang Boey Lim, and Mitsuteru Inoue  »View Author Affiliations

Optics Express, Vol. 22, Issue 13, pp. 16439-16444 (2014)

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Holographic memory is a promising next-generation optical memory that has a higher recording density and a higher transfer rate than other types of memory. In holographic memory, magnetic garnet films can serve as rewritable holographic memory media by use of magneto-optical effect. We have now demonstrated that a magnetic hologram can be recorded volumetrically in a ferromagnetic garnet film and that the signal image can be reconstructed from it for the first time. In addition, multiplicity of the magnetic hologram was also confirmed; the image could be reconstructed from a spot overlapped by other spots.

© 2014 Optical Society of America

OCIS Codes
(210.2860) Optical data storage : Holographic and volume memories
(210.3820) Optical data storage : Magneto-optical materials

ToC Category:
Optical Data Storage

Original Manuscript: February 24, 2014
Revised Manuscript: April 23, 2014
Manuscript Accepted: April 24, 2014
Published: June 26, 2014

Yuichi Nakamura, Hiroyuki Takagi, Pang Boey Lim, and Mitsuteru Inoue, "Magnetic volumetric hologram memory with magnetic garnet," Opt. Express 22, 16439-16444 (2014)

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