@article{dd2f8b86ce5948d084619bf6631d2715,
title = "Multiphoton polymerization using optical trap assisted nanopatterning",
abstract = "In this letter, we show the combination of multiphoton polymerization and optical trap assisted nanopatterning (OTAN) for the additive manufacturing of structures with nanometer resolution. User-defined patterns of polymer nanostructures are deposited on a glass substrate by a 3.5 μm polystyrene sphere focusing IR femtosecond laser pulses, showing minimum feature sizes of λ/10. Feature size depends on the applied laser fluence and the bead surface spacing. A finite element model describes the intensity enhancement in the microbead focus. The results presented suggest that OTAN in combination with multiphoton processing is a viable technique for additive nanomanufacturing with sub-diffraction-limited resolution.",
author = "Leitz, {Karl Heinz} and Tsai, {Yu Cheng} and Florian Flad and Eike Sch{\"a}ffer and Ulf Quentin and Ilya Alexeev and Romain Fardel and Arnold, {Craig B.} and Michael Schmidt",
note = "Funding Information: The authors acknowledge financial support from DFG for the project “Gezielte lokale Sub-100-nm-Strukturierung durch ultrakurze Laserpulse mithilfe von mit einer optischen Pinzette positionierten Kolloiden unter Ausnutzung von Nahfeldeffekten” in the frame of the priority programme 1327, funding of the Erlangen Graduate School in Advanced Optical Technologies in the frame of the excellence initiative and the support received for mutual transatlantic visits. Furthermore, the authors gratefully acknowledge the financial support from NSF (CMMI-1145062 and CMMI-1235291) and AFOSR (FA9550-11-1-0208). Also, we acknowledge the usage of PRISM Imaging and Analysis Center which is supported in part by the NSF MRSEC program through the Princeton Center for Complex Materials (Grant DMR-0819860).",
year = "2013",
month = jun,
day = "17",
doi = "10.1063/1.4811704",
language = "English (US)",
volume = "102",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Publising LLC",
number = "24",
}