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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 21, Iss. 8 — Aug. 1, 2004
  • pp: 1443–1451

Holographic data storage: optimized scheduling using the nonlocal polymerization-driven diffusion model

John T. Sheridan, Feidhlim T. O’Neill, and John V. Kelly  »View Author Affiliations


JOSA B, Vol. 21, Issue 8, pp. 1443-1451 (2004)
http://dx.doi.org/10.1364/JOSAB.21.001443


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Abstract

The choice of an exposure schedule that maximizes the uniformity and capacity of a holographic recording medium is of critical importance in ensuring the optimum performance of any potential holographic data storage scheme. We propose a methodology to identify an optimum exposure schedule for photopolymer materials governed by the nonlocal polymerization-driven diffusion model. Using this model, the relationship between the material properties (nonlocality and nonlinearity), the recording conditions and the schedule are clarified. In this way, we provide a first-order comparison of the behavior of particular classes of photopolymer materials for use as holographic storage media. We demonstrate, using the nonlocal polymerization-driven diffusion model, that the exposure schedule is independent of the number of gratings to be recorded and that the optimum schedule may necessitate leaving unpolymerized monomer at the end of the recording process.

© 2004 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1950) Diffraction and gratings : Diffraction gratings
(050.7330) Diffraction and gratings : Volume gratings
(090.0090) Holography : Holography
(090.2900) Holography : Optical storage materials
(090.4220) Holography : Multiplex holography
(090.5640) Holography : Rainbow holography
(090.7330) Holography : Volume gratings
(160.4890) Materials : Organic materials
(160.5470) Materials : Polymers
(210.0210) Optical data storage : Optical data storage
(210.2860) Optical data storage : Holographic and volume memories
(210.4810) Optical data storage : Optical storage-recording materials

Citation
John T. Sheridan, Feidhlim T. O'Neill, and John V. Kelly, "Holographic data storage: optimized scheduling using the nonlocal polymerization-driven diffusion model," J. Opt. Soc. Am. B 21, 1443-1451 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-8-1443

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