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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 13 — Jul. 1, 2009
  • pp: 1979–1981

Nanoimprint fabrication of gold nanocones with 10   nm tips for enhanced optical interactions

Juha M. Kontio, Hannu Husu, Janne Simonen, Mikko J. Huttunen, Juha Tommila, Markus Pessa, and Martti Kauranen  »View Author Affiliations


Optics Letters, Vol. 34, Issue 13, pp. 1979-1981 (2009)
http://dx.doi.org/10.1364/OL.34.001979


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Abstract

We show that nanoimprint lithography combined with electron-beam evaporation provides a cost-efficient, rapid, and reproducible method to fabricate conical nanostructures with very sharp tips on flat surfaces in high volumes. We demonstrate the method by preparing a wafer-scale array of gold nanocones with an average tip radius of 5 nm. Strong local fields at the tips enhance the second-harmonic generation by over 2 orders of magnitude compared with a nonsharp reference.

© 2009 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Nonlinear Optics

History
Original Manuscript: March 20, 2009
Manuscript Accepted: May 8, 2009
Published: June 24, 2009

Citation
Juha M. Kontio, Hannu Husu, Janne Simonen, Mikko J. Huttunen, Juha Tommila, Markus Pessa, and Martti Kauranen, "Nanoimprint fabrication of gold nanocones with ~10 nm tips for enhanced optical interactions," Opt. Lett. 34, 1979-1981 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-13-1979


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