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Proceedings Paper

High-resolution 3D woodpile structures by direct fs laser writing
Author(s): Ioanna Sakellari; Elmina Kabouraki; David Gray; Costas Fotakis; Alexander Pikulin; Nikita Bityurin; Maria Vamvakaki; Maria Farsari
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Paper Abstract

A novel organic-inorganic hybrid material is presented containing a quenching moiety for improving the resolution of Direct femtosecond Laser Writing by multi-photon polymerization. By exploiting the diffusion of the quencher molecule for confining radical diffusion in the scanned area, sub-100nm resolution is achieved. 3D woodpile structures with rod spacing of 400nm are successfully fabricated. We optically characterize these woodpiles structures and we show that they exhibit well-ordered diffraction patterns and stopgaps down to near-infrared wavelengths.

Paper Details

Date Published: 15 October 2012
PDF: 10 pages
Proc. SPIE 8456, Nanophotonic Materials IX, 84560E (15 October 2012); doi: 10.1117/12.930155
Show Author Affiliations
Ioanna Sakellari, Univ. of California, Berkeley (United States)
Elmina Kabouraki, Foundation for Research and Technology-Hellas (Greece)
Univ. of Crete (Greece)
David Gray, Foundation for Research and Technology-Hellas (Greece)
Costas Fotakis, Foundation for Research and Technology-Hellas (Greece)
Univ. of Crete (Greece)
Alexander Pikulin, Institute of Applied Physics (Russian Federation)
Nikita Bityurin, Institute of Applied Physics (Russian Federation)
Maria Vamvakaki, Foundation for Research and Technology-Hellas (Greece)
Univ. of Crete (Greece)
Maria Farsari, Foundation for Research and Technology-Hellas (Greece)


Published in SPIE Proceedings Vol. 8456:
Nanophotonic Materials IX
Stefano Cabrini; Taleb Mokari, Editor(s)

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