High-resolution 3D woodpile structures by direct fs laser writing

Ioanna Sakellari; Elmina Kabouraki; David Gray; Costas Fotakis; Alexander Pikulin; Nikita Bityurin; Maria Vamvakaki; Maria Farsari

doi:10.1117/12.930155

15 October 2012 High-resolution 3D woodpile structures by direct fs laser writing

Ioanna Sakellari, Elmina Kabouraki, David Gray, Costas Fotakis, Alexander Pikulin, Nikita Bityurin, Maria Vamvakaki, Maria Farsari

Author Affiliations +

Proceedings Volume 8456, Nanophotonic Materials IX; 84560E (2012) https://doi.org/10.1117/12.930155
Event: SPIE NanoScience + Engineering, 2012, San Diego, California, United States

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.

Citation Download Citation

Ioanna Sakellari, Elmina Kabouraki, David Gray, Costas Fotakis, Alexander Pikulin, Nikita Bityurin, Maria Vamvakaki, and Maria Farsari "High-resolution 3D woodpile structures by direct fs laser writing", Proc. SPIE 8456, Nanophotonic Materials IX, 84560E (15 October 2012); https://doi.org/10.1117/12.930155

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