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Polymers 2017, 9(8), 337;

A Review of Hologram Storage and Self-Written Waveguides Formation in Photopolymer Media

School of Electrical and Electronic Engineering, UCD Communications and Optoelectronic Research Centre, University College Dublin, Belfield, Dublin 4, Ireland
Physics Department, Faculty of Science, University of Basrah, Garmat Ali, Basrah, Iraq
Department of Biomedical Engineering, Stony Brook University, State University of New York, Stony Brook, NY 11794, USA
Author to whom correspondence should be addressed.
Received: 28 June 2017 / Revised: 28 July 2017 / Accepted: 1 August 2017 / Published: 3 August 2017
(This article belongs to the Special Issue Photo-Responsive Polymers)
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Photopolymer materials have received a great deal of attention because they are inexpensive, self-processing materials that are extremely versatile, offering many advantages over more traditional materials. To achieve their full potential, there is significant value in understanding the photophysical and photochemical processes taking place within such materials. This paper includes a brief review of recent attempts to more fully understand what is needed to optimize the performance of photopolymer materials for Holographic Data Storage (HDS) and Self-Written Waveguides (SWWs) applications. Specifically, we aim to discuss the evolution of our understanding of what takes place inside these materials and what happens during photopolymerization process, with the objective of further improving the performance of such materials. Starting with a review of the photosensitizer absorptivity, a dye model combining the associated electromagnetics and photochemical kinetics is presented. Thereafter, the optimization of photopolymer materials for HDS and SWWs applications is reviewed. It is clear that many promising materials are being developed for the next generation optical applications media. View Full-Text
Keywords: photopolymer; holography; self-written waveguide photopolymer; holography; self-written waveguide

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Malallah, R.; Li, H.; Kelly, D.P.; Healy, J.J.; Sheridan, J.T. A Review of Hologram Storage and Self-Written Waveguides Formation in Photopolymer Media. Polymers 2017, 9, 337.

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