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Proceedings Paper

Effect of monomer diffusion on photoinduced shrinkage in photopolymer layers determined by electronic speckle pattern interferometry
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Paper Abstract

The aim of this study is to determine the effect of monomer diffusion on the photoinduced shrinkage profile in acrylamide based photopolymer layers during holographic recording. Using phase shifting electronic speckle pattern interferometry the displacement at each pixel in the image of the layer is measured. The complete displacement profile of the layer was obtained using phase shifting technique. We observed a reduction in shrinkage as a result of monomer diffusion from unexposed regions of holographic exposure. As a result of diffusion the maximum shrinkage was reduced by 26 % from 7.18μm to 5.28μm in a photopolymer layer of thickness160 ± 3 μm after 84 seconds of recording.

Paper Details

Date Published: 6 April 2017
PDF: 6 pages
Proc. SPIE 10127, Practical Holography XXXI: Materials and Applications, 101270W (6 April 2017); doi: 10.1117/12.2251260
Show Author Affiliations
Mohesh Moothanchery, Nanyang Technological Univ. (Singapore)
Manojit Pramanik, Nanyang Technological Univ. (Singapore)
Vincent Toal, Dublin Institute of Technology (Ireland)
Izabela Naydenova, Dublin Institute of Technology (Ireland)

Published in SPIE Proceedings Vol. 10127:
Practical Holography XXXI: Materials and Applications
Hans I. Bjelkhagen; V. Michael Bove Jr., Editor(s)

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