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Proceedings Paper

Diacetone acrylamide-based non-toxic holographic photopolymer
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Paper Abstract

A new low-toxicity diacetone acrylamide-based photopolymer is developed and characterized. The environmentallycompatible photopolymer has been modified with the inclusion of glycerol. The incorporation of glycerol results in a uniform maximum refractive index modulation for recording intensities in the range of 1-20 mW/cm2. This may be attributed to glycerol's nature as a plasticizer, which allows for faster diffusion of un-reacted monomer within the grating during holographic recording. An optimum recording intensity of 0.5 mW/cm2 is observed for exposure energies of 20- 60 mW/cm2. The modified photopolymer achieves a refractive index modulation of 2.2×10-3, with diffraction efficiencies up to 90 % in 100 μm layers. The photopolymer layers containing glycerol have improved stability and optical quality.

Paper Details

Date Published: 4 May 2012
PDF: 7 pages
Proc. SPIE 8429, Optical Modelling and Design II, 84291B (4 May 2012); doi: 10.1117/12.923116
Show Author Affiliations
D. Cody, Dublin Institute of Technology (Ireland)
I. Naydenova, Dublin Institute of Technology (Ireland)
E. Mihaylova, Dublin Institute of Technology (Ireland)
Agricultural Univ. Plovdiv (Bulgaria)

Published in SPIE Proceedings Vol. 8429:
Optical Modelling and Design II
Frank Wyrowski; John T. Sheridan; Jani Tervo; Youri Meuret, Editor(s)

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