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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 19 — Jul. 1, 2009
  • pp: 3626–3637

Medium consumption in holographic memories

Mark R. Ayres and Robert R. McLeod  »View Author Affiliations


Applied Optics, Vol. 48, Issue 19, pp. 3626-3637 (2009)
http://dx.doi.org/10.1364/AO.48.003626


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Abstract

The dynamic range of holographic storage media is traditionally characterized in terms of M/#. However, this is a system parameter that assumes simple, uniform plane-wave holograms. Realistic architectures violate this assumption so that M/# measured with plane waves cannot be used to predict system diffraction efficiency. Thus, there currently is no systematic method predicting signal strength and medium consumption for holographic storage architectures a priori. We define a new material parameter, the modulation integral, M I , and show how this may be used for dynamic range budgeting and diffraction efficiency prediction in complex storage systems. The method is illustrated by applying it to two architectures, collinear and angle polytopic, in order to estimate the M/# required for achieving a target storage density in the presence of empirical optical scatter noise.

© 2009 Optical Society of America

OCIS Codes
(090.4220) Holography : Multiplex holography
(160.5470) Materials : Polymers
(180.1790) Microscopy : Confocal microscopy
(210.2860) Optical data storage : Holographic and volume memories
(210.4590) Optical data storage : Optical disks

ToC Category:
Holography

History
Original Manuscript: October 13, 2008
Manuscript Accepted: April 15, 2009
Published: June 22, 2009

Citation
Mark R. Ayres and Robert R. McLeod, "Medium consumption in holographic memories," Appl. Opt. 48, 3626-3637 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-19-3626

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