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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 29 — Oct. 10, 2011
  • pp: 5700–5709

Optical compensation of hologram distortion avoiding interpage crosstalk on reconstructed image in angle-multiplexed holograms

Tetsuhiko Muroi, Nobuhiro Kinoshita, Norihiko Ishii, Koji Kamijo, Hiroshi Kikuchi, Yoshimasa Kawata, and Naoki Shimidzu  »View Author Affiliations


Applied Optics, Vol. 50, Issue 29, pp. 5700-5709 (2011)
http://dx.doi.org/10.1364/AO.50.005700


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Abstract

We are studying a form of holographic data storage with phase conjugation, and we compensated for hologram distortion due to shrinkage of photopolymer materials in the holographic medium by controlling the wavefront of the reference beam. When a high NA lens and narrow angle interval of angle multiplexing are employed to obtain a high data recording density, some wavefronts cause interpage crosstalk on the reconstructed image. We tried to determine the moving range of actuators in a deformable mirror for controlling the wavefront. As a result, we found that the distortion in the hologram could be compensated while avoiding interpage crosstalk and that the bit error rates of the reproduced data could be decreased. We also found that the optimized wavefront could compensate for distortions in several neighboring data pages. This method can ensure a high data recording density in holographic data storage.

© 2011 Optical Society of America

OCIS Codes
(090.0090) Holography : Holography
(210.2860) Optical data storage : Holographic and volume memories

ToC Category:
Optical Data Storage

History
Original Manuscript: May 12, 2011
Revised Manuscript: July 20, 2011
Manuscript Accepted: July 31, 2011
Published: October 6, 2011

Citation
Tetsuhiko Muroi, Nobuhiro Kinoshita, Norihiko Ishii, Koji Kamijo, Hiroshi Kikuchi, Yoshimasa Kawata, and Naoki Shimidzu, "Optical compensation of hologram distortion avoiding interpage crosstalk on reconstructed image in angle-multiplexed holograms," Appl. Opt. 50, 5700-5709 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-29-5700


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References

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