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

J. Kontio; H. Husu; J. Simonen; M. Huttunen; J. Tommila; M. Pessa; M. Kauranen

doi:10.1364/OL.34.001979

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

J. Kontio, H. Husu, J. Simonen, M. Huttunen, J. Tommila, M. Pessa, M. Kauranen

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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.

Translated title of the contribution	Nanoimprint fabrication of gold nanocones with ~10nm tips for enhanced optical interactions
Original language	English
Pages (from-to)	1979-1981
Journal	Optics Letters
Volume	34
Issue number	13
DOIs	https://doi.org/10.1364/OL.34.001979
Publication status	Published - 2009
Publication type	A1 Journal article-refereed

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10.1364/OL.34.001979

Kontio nanoimprint fabrication of gold
This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-13-1979. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

http://urn.fi/URN:NBN:fi:tty-201103311116

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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.",

author = "J. Kontio and H. Husu and J. Simonen and M. Huttunen and J. Tommila and M. Pessa and M. Kauranen",

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AU - Kontio, J.

AU - Husu, H.

AU - Simonen, J.

AU - Huttunen, M.

AU - Tommila, J.

AU - Pessa, M.

AU - Kauranen, M.

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N2 - 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.

AB - 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.

U2 - 10.1364/OL.34.001979

DO - 10.1364/OL.34.001979

M3 - Article

SN - 0146-9592

VL - 34

SP - 1979

EP - 1981

JO - Optics Letters

JF - Optics Letters

IS - 13

ER -

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

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