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Proceedings Paper

Three-dimensional nanostructuring of polymer materials by controlled avalanche using femtosecond laser pulses
Author(s): Sima Rekštytė; Linas Jonušauskas; Albertas Žukauskas; Gediminas Gervinskas; Mangirdas Malinauskas; Saulius Juodkazis
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Paper Abstract

We report direct laser fabrication of free-standing 3D structures in a sol-gel photo-polymer SZ2080, poly(ethylene glycol) diacrylate (PEG-DA-700) and thermo-polymer polydimethylsiloxane (PDMS) without use of two-photon absorbing photo-sensitizers. By estimating the multi-photon and avalanche ionization rates in the focal volume it is shown that bulk structuring of pure materials was achieved via a controlled avalanche. It is shown that several non-photosesitized materials can be combined for fabrication of composite material structures evoking a possibility to create non-toxic biocompatible scaffolds for tissue engineering, transparent microoptical elements and higher damage threshold photonic devices.

Paper Details

Date Published: 7 March 2014
PDF: 9 pages
Proc. SPIE 8972, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIV, 89721O (7 March 2014); doi: 10.1117/12.2040971
Show Author Affiliations
Sima Rekštytė, Vilnius Univ. (Lithuania)
Linas Jonušauskas, Vilnius Univ. (Lithuania)
Albertas Žukauskas, Vilnius Univ. (Lithuania)
Gediminas Gervinskas, Swinburne Univ. of Technology (Australia)
Mangirdas Malinauskas, Vilnius Univ. (Lithuania)
Saulius Juodkazis, Swinburne Univ. of Technology (Australia)
Vilnius Univ. (Lithuania)

Published in SPIE Proceedings Vol. 8972:
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIV
Alexander Heisterkamp; Peter R. Herman; Michel Meunier; Stefan Nolte, Editor(s)

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