Properties of diffraction gratings holographically recorded in poly(ethylene glycol)dimethacrylate-ionic liquid composites

Mostafa A. Ellabban; Gašper Glavan; Peter Flauger; Jürgen Klepp; Martin Fally

doi:10.1117/12.2264231

15 May 2017 Properties of diffraction gratings holographically recorded in poly(ethylene glycol)dimethacrylate-ionic liquid composites

Mostafa A. Ellabban, Gašper Glavan, Peter Flauger, Jürgen Klepp, Martin Fally

Author Affiliations +

Proceedings Volume 10233, Holography: Advances and Modern Trends V; 1023310 (2017) https://doi.org/10.1117/12.2264231
Event: SPIE Optics + Optoelectronics, 2017, Prague, Czech Republic

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.

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Citation Download Citation

Mostafa A. Ellabban, Gašper Glavan, Peter Flauger, Jürgen Klepp, and Martin Fally "Properties of diffraction gratings holographically recorded in poly(ethylene glycol)dimethacrylate-ionic liquid composites", Proc. SPIE 10233, Holography: Advances and Modern Trends V, 1023310 (15 May 2017); https://doi.org/10.1117/12.2264231

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