Near-field optical tools to read, write, and copy information at the 100- to 10-nm scale

U. C. Fischer; A. P. Naber; T. Dziomba; J. Koglin; W. Goehde; O. Panzer; Harald Fuchs

doi:10.1117/12.307133

30 April 1998 Near-field optical tools to read, write, and copy information at the 100- to 10-nm scale

U. C. Fischer, A. P. Naber, T. Dziomba, J. Koglin, W. Goehde, O. Panzer, Harald Fuchs

Proceedings Volume 3272, Laser Techniques for Surface Science III; (1998) https://doi.org/10.1117/12.307133
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

Contact imaging by energy transfer was the first application of the optical near-field for imaging beyond the diffraction limit. It is a method by which surface nanostructures can be copied onto a monomolecular layer of a dye. Near field microscopy using tapered metal coated fibers with an aperture at their tip as a submicron source of light can be used as a tool to write structures at a resolution of 80 nm. These near-field optical methods are well suited to create-- by local photochemical reactions--patterns of locally differing chemical composition and reactivity. Such structures serve as matrices for a site selective binding of colloidal particles. Unlike other methods, light microscopy and near-field microscopy have a sensitivity to detect photochemical processes at the single molecular level. Near- field microscopy is not limited to a resolution of 50 nm. As recently shown, the resolution can be extended to the 1 - 10 nm range using the tetrahedral tip as a probe. We expect, that a convergence of these recent developments should result in a very powerful near-field optical toolbox to read, write and copy information at the 10 nm scale.

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U. C. Fischer, A. P. Naber, T. Dziomba, J. Koglin, W. Goehde, O. Panzer, and Harald Fuchs "Near-field optical tools to read, write, and copy information at the 100- to 10-nm scale", Proc. SPIE 3272, Laser Techniques for Surface Science III, (30 April 1998); https://doi.org/10.1117/12.307133

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