Three-dimensional nanostructuring of polymer materials by controlled avalanche using femtosecond laser pulses

Sima Rekštytė; Linas Jonušauskas; Albertas Žukauskas; Gediminas Gervinskas; Mangirdas Malinauskas; Saulius Juodkazis

doi:10.1117/12.2040971

7 March 2014 Three-dimensional nanostructuring of polymer materials by controlled avalanche using femtosecond laser pulses

Sima Rekštytė, Linas Jonušauskas, Albertas Žukauskas, Gediminas Gervinskas, Mangirdas Malinauskas, Saulius Juodkazis

Author Affiliations +

Proceedings Volume 8972, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIV; 89721O (2014) https://doi.org/10.1117/12.2040971
Event: SPIE LASE, 2014, San Francisco, California, United States

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.

Citation Download Citation

Sima Rekštytė, Linas Jonušauskas, Albertas Žukauskas, Gediminas Gervinskas, Mangirdas Malinauskas, and Saulius Juodkazis "Three-dimensional nanostructuring of polymer materials by controlled avalanche using femtosecond laser pulses", Proc. SPIE 8972, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIV, 89721O (7 March 2014); https://doi.org/10.1117/12.2040971

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