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Synchronization of linear stages and galvo-scanners for efficient direct laser fabrication of polymeric 3D meso-scale structures
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Paper Abstract

3D meso-scale structures, that can reach up to cm in overall size but retain micro- or nano-features, proved to be promising in various science fields from micro-mechanical metamaterials to photonics. In this work we present an approach of synchronizing linear positioning and galvo-scanning for efficient femtosecond 3D optical printing of objects at meso-scale. In such configuration linear stages provide stitchless structuring at nearly limitless (up to tens of cm) working area, while galvo-scanners allow to achieve translation velocities in the range of mm/scm/ s without sacrificing nano-scale positioning accuracy. The capabilities of this approach are demonstrated by fabricating mm sized but μm features retaining structures with free movable parts, scaffolds for cell growth, microlenses and photonic crystals. Provided results show that synchronization of this kind is crucial for an end goal of industrial-scale implementation of this technology.

Paper Details

Date Published: 26 February 2018
PDF: 8 pages
Proc. SPIE 10523, Laser 3D Manufacturing V, 105230X (26 February 2018); doi: 10.1117/12.2287669
Show Author Affiliations
Linas Jonušauskas, Vilnius Univ. (Lithuania)
Femtika (Lithuania)
Darius Gailevičius, Vilnius Univ. (Lithuania)
Femtika (Lithuania)
Sima Rekštytė, Vilnius Univ. (Lithuania)
Saulius Juodkazis, Swinburne Univ. of Technology (Australia)
Melbourne Ctr. for Nanofabrication (Australia)
Mangirdas Malinauskas, Vilnius Univ. (Lithuania)

Published in SPIE Proceedings Vol. 10523:
Laser 3D Manufacturing V
Henry Helvajian; Bo Gu; Alberto Piqué, Editor(s)

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