Polymerized nanotips via two-photon photopolymerization

We present new methods to produce polymerized nanotips via two-photon photopolymerization. By gradually changing the laser power, we fabricate a single polymerized tip with the size of 120nm. When two rectangle anchors with protuberances are close enough, lines with the slimmest part of about 20-30n...

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Bibliographic Details
Published in:Optics express 2007-02, Vol.15 (3), p.971-976
Main Authors: Qi, Fengjie, Li, Yan, Tan, Dengfeng, Yang, Hong, Gong, Qihuang
Format: Article
Language:English
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Summary:We present new methods to produce polymerized nanotips via two-photon photopolymerization. By gradually changing the laser power, we fabricate a single polymerized tip with the size of 120nm. When two rectangle anchors with protuberances are close enough, lines with the slimmest part of about 20-30nm and tips with the widths of about 35nm are produced between anchors, which are the best resolution obtained with the resin SCR-500 to our knowledge. As the tips are adhered to larger polymerized structures, they can survive post processing in spite of their small sizes.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.15.000971