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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 5 — Mar. 1, 2009
  • pp: 566–568

Size-dependent behaviors of femtosecond laser-prototyped polymer micronanowires

Kenji Takada, Dong Wu, Qi-Dai Chen, Satoru Shoji, Hong Xia, Satoshi Kawata, and Hong-Bo Sun  »View Author Affiliations

Optics Letters, Vol. 34, Issue 5, pp. 566-568 (2009)

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A remarkable recent progress in two-photon photopolymerization is the achievement of fabrication resolution around tens of nanometers, establishing a femtosecond laser as a nanofabrication tool. However, how the superresolution has been made possible is still under arguement. We propose a concept of polymer network permeability to solvents, meaning a structure-loosened nanopolymer state that allows free penetration of small molecules to interpret the mechanism. Experimentally, we found proof showing existence of the state, including an unusually large volume shrinkage rate ( > 60 % ) , shape-memory effect, a giant softness of nanospring, and the mechanical stability of rinsed two-photon written polymer nanowires.

© 2009 Optical Society of America

OCIS Codes
(120.4610) Instrumentation, measurement, and metrology : Optical fabrication
(130.3120) Integrated optics : Integrated optics devices
(160.5470) Materials : Polymers
(220.4000) Optical design and fabrication : Microstructure fabrication
(110.4235) Imaging systems : Nanolithography
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Optical Design and Fabrication

Original Manuscript: November 4, 2008
Revised Manuscript: January 8, 2009
Manuscript Accepted: January 15, 2009
Published: February 19, 2009

Kenji Takada, Dong Wu, Qi-Dai Chen, Satoru Shoji, Hong Xia, Satoshi Kawata, and Hong-Bo Sun, "Size-dependent behaviors of femtosecond laser-prototyped polymer micronanowires," Opt. Lett. 34, 566-568 (2009)

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