Journal of Materials Science

, Volume 44, Issue 22, pp 6090–6099 | Cite as

Improvement of photopolymer materials for holographic data storage

  • Michael R. GleesonEmail author
  • Shui Liu
  • John T. Sheridan


Photopolymer materials are practical materials for use as holographic recording media due to the fact that they are inexpensive, self-processing materials with the ability to record low loss, highly diffraction efficient volume holographic gratings. In general these materials absorb light of an appropriate wavelength, causing photo-polymerization of the local monomer, inducing a change in the material’s refractive index. These small changes in refractive index enable the storage of large quantities of data using holographic techniques. In an attempt to further develop the data storage capacity and quality of the information stored, i.e., resolution, in such materials, a deeper understanding of the photochemical mechanisms present during the formation of holographic gratings has become ever more crucial. From this understanding the response of an acrylamide/polyvinylalcohol based photopolymer to high spatial frequency information is improved through the addition of a chain transfer agent, i.e., sodium formate, HCOONa.


Diffraction Efficiency Primary Radical Polymerization Rate Chain Transfer Agent Sodium Formate 



We acknowledge the support of Enterprise Ireland, Science Foundation Ireland and the Irish Research Council for Science, Engineering and Technology.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Michael R. Gleeson
    • 1
    Email author
  • Shui Liu
    • 1
  • John T. Sheridan
    • 1
  1. 1.School of Electrical, Electronic and Mechanical Engineering, UCD Communications and Optoelectronic Research Centre, SFI Strategic Research Cluster in Solar Energy Conversion, College of Engineering, Mathematical and Physical SciencesUniversity College DublinBelfield, Dublin 4Republic of Ireland

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