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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 21 — Jul. 20, 2006
  • pp: 5212–5222

Paradigms for bit-oriented holographic information storage

Joseph Shamir  »View Author Affiliations


Applied Optics, Vol. 45, Issue 21, pp. 5212-5222 (2006)
http://dx.doi.org/10.1364/AO.45.005212


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Abstract

One of the difficulties encountered during the many years of research on holographic information storage was the lack of an easy theoretical way to assess proposed paradigms. I exploit the fact that for bit-oriented holographic storage, Gaussian beams are usually involved. For this case I show that the reconstructed wave can be represented as a superposition of simple Gaussian beams, regardless of the exact recording condition, and a virtual source for this wave can be determined. This theoretical result is used to explore several holographic storage architectures, in particular thick volume holograms and layered volume holograms. Simulation results demonstrate the power of the method, show good correspondence with earlier experimental studies, and provide clues for further developments.

© 2006 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(090.7330) Holography : Volume gratings
(210.2860) Optical data storage : Holographic and volume memories
(260.1960) Physical optics : Diffraction theory

ToC Category:
Holography

History
Original Manuscript: December 21, 2005
Revised Manuscript: February 20, 2006
Manuscript Accepted: February 24, 2006

Citation
Joseph Shamir, "Paradigms for bit-oriented holographic information storage," Appl. Opt. 45, 5212-5222 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-21-5212

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