Examination of the photoinitiation processes in photopolymer materials

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Title: Examination of the photoinitiation processes in photopolymer materials
Authors: Gleeson, M. R.
Liu, Shui
O'Duill, Sean
Sheridan, John T.
Permanent link: http://hdl.handle.net/10197/3410
Date: Sep-2008
Abstract: Holographic data storage requires multiple sequential short exposures. However, the complete exposure schedule may not necessarily occur over a short time interval. Therefore, knowledge of the temporally varying absorptive effects of photopolymer materials becomes an important factor. In this paper, the time varying absorptive effects of an acrylamide/polyvinylalcohol photopolymer material are examined. These effects are divided into three main photochemical processes, which following identification, are theoretically and experimentally examined. These processes are (i) photon absorption, (ii) photosensitizer recovery, and (iii) photosensitizer bleaching.
Funding Details: Science Foundation Ireland
Irish Research Council for Science, Engineering and Technology
Type of material: Journal Article
Publisher: American Institute of Physics
Copyright (published version): 2008 American Institute of Physics
Subject LCSH: Holographic storage devices (Computer science)
Photochemistry
Photopolymers
DOI: 10.1063/1.2985905
Language: en
Status of Item: Not peer reviewed
Appears in Collections:Electrical and Electronic Engineering Research Collection

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