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Proceedings Paper

Ink-jet printing of host-guest systems based on acrylates with fluorescent dopants
Author(s): Patrick Bollgruen; Uwe Gleissner; Christof Megnin; Dario Mager; Jan Korvink; Thomas Hanemann
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Paper Abstract

We present two ink-jet printable, optically active material systems that point towards flexible foil-based optical systems independent of any electrical elements or physical connections. The materials are based on a UV-curable monomer doped with europium and diphenylantracene, resulting in red (610 nm) and blue (430 nm) fluorescence excited by UV light. Additionally, ethylene glycol dimethacrylate (EGDMA) is used to tune the viscosity to 10 mPas via a print-head temperature of 50 °C, as required by the ink-jet print-head. When illuminated with 1.5 W/cm2, the measured intensity of the europium is in the range of 1 mW/cm2. By printing these materials on PMMA foil, we can create fluorescent tracks with a feature size well below 100 μm that could serve as light sources within a planar optronic system.

Paper Details

Date Published: 27 April 2016
PDF: 7 pages
Proc. SPIE 9888, Micro-Optics 2016, 98880G (27 April 2016); doi: 10.1117/12.2227909
Show Author Affiliations
Patrick Bollgruen, Univ. of Freiburg (Germany)
Uwe Gleissner, Univ. of Freiburg (Germany)
Christof Megnin, Univ. of Freiburg (Germany)
Dario Mager, Karlsruher Institut für Technologie (Germany)
Jan Korvink, Karlsruher Institut für Technologie (Germany)
Thomas Hanemann, Univ. of Freiburg (Germany)
Karlsruher Institut für Technologie (Germany)

Published in SPIE Proceedings Vol. 9888:
Micro-Optics 2016
Hugo Thienpont; Jürgen Mohr; Hans Zappe; Hirochika Nakajima, Editor(s)

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