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Proceedings Paper

Properties of diffraction gratings holographically recorded in poly(ethylene glycol)dimethacrylate-ionic liquid composites
Author(s): Mostafa A. Ellabban; Gašper Glavan; Peter Flauger; Jürgen Klepp; Martin Fally
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Paper Abstract

We investigated recording and readout of transmission gratings in composites of poly(ethylene glycol) dimethacrylate (PEGDMA) and ionic liquids (IL) in detail. Gratings were recorded using a two-wave mixing technique for different grating periods, exposures and a series of film thicknesses. The recording kinetics as well as the post-exposure behavior of the gratings were studied by diffraction experiments. We found that - depending on the parameters - different grating types (pure phase or mixed) are generated, and at elevated thicknesses strong light-induced scattering develops. Gratings with thicknesses up to 85 micrometers are of the required quality with excellent optical properties, thicker gratings exhibit strong detrimental light-induced scattering. The obtained results are particularly valuable when considering PEGDMA-ionic liquid composites for applications as e.g., holographic storage materials or as neutron optic diffractive elements.

Paper Details

Date Published: 15 May 2017
PDF: 11 pages
Proc. SPIE 10233, Holography: Advances and Modern Trends V, 1023310 (15 May 2017); doi: 10.1117/12.2264231
Show Author Affiliations
Mostafa A. Ellabban, Tanta Univ. (Egypt)
Taibah Univ. (Saudi Arabia)
Gašper Glavan, Univ. of Ljubljana (Slovenia)
Peter Flauger, Univ. Wien (Austria)
Jürgen Klepp, Univ. Wien (Austria)
Martin Fally, Univ. Wien (Austria)

Published in SPIE Proceedings Vol. 10233:
Holography: Advances and Modern Trends V
Miroslav Hrabovský; John T. Sheridan; Antonio Fimia, Editor(s)

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