Towards nanostructuring with femtosecond laser pulses |
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Authors: | Korte F Serbin J Koch J Egbert A Fallnich C Ostendorf A Chichkov BN |
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Institution: | (1) Laser Zentrum Hannover e.V., Hollerithallee 8, 30419 Hannover, Germany, DE |
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Abstract: | Detailed investigations of the possibilities for using femtosecond lasers for the nanostructuring of metal layers and transparent
materials are reported. The aim is to develop a simple laser-based technology for fabricating two- and three-dimensional nanostructures
with structure sizes on the order of several hundred nanometers. This is required for many applications in photonics, for
the fabrication of photonic crystals and microoptical devices, for data storage, displays, etc. Measurements of thermionic
electron emission from metal targets, which provide valuable information on the dynamics of femtosecond laser ablation, are
discussed. Sub-wavelength microstructuring of metals is performed and the minimum structure size that can be fabricated in
transparent materials is identified. Two-photon polymerization of hybrid polymers is demonstrated as a promising femtosecond
laser-based nanofabrication technology.
Received: 20 November 2002 / Accepted: 20 January 2003 / Published online: 28 May 2003
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ID="*"Corresponding author. Fax: +49-511/2788-100, E-mail: ch@lzh.de |
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Keywords: | PACS: 42 62 -b 42 65 Re 52 38 Mf 82 35 -x |
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