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  Enhancing the resolution of scanning near-field optical microscopy by a metal tip grown on an aperture probe

Frey, H. G., Keilmann, F., Kriele, A., & Guckenberger, R. (2002). Enhancing the resolution of scanning near-field optical microscopy by a metal tip grown on an aperture probe. Applied Physics Letters, 81(26), 5030-5032.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-6D99-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-6D9A-D
Genre: Journal Article
Alternative Title : Appl. Phys. Lett.

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 Creators:
Frey, H. G.1, Author              
Keilmann, F.1, Author              
Kriele, A.1, Author              
Guckenberger, R.1, Author              
Affiliations:
1Baumeister, Wolfgang / Molecular Structural Biology, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565142              

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 Abstract: We show improvement of the optical and topographical resolution of scanning near-field optical microscopy by introducing a "tip-on-aperture" probe, a metallic tip formed on the aperture of a conventional fiber probe. The tip concentrates the light passing through the aperture. Thus the. advantages of aperture and apertureless scanning near-field optical microscopy are combined. Tips are grown by electron beam deposition and then covered with metal. Fluorescent beads are imaged with a resolution down to 25 nm (full width at half maximum) in the optical signal. The near-field appears strongly localized within 5 mn in z direction, thus promising even higher resolution with sharper tips. (C) 2002 American Institute of Physics.

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Language(s): eng - English
 Dates: 2002-12-23
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 34917
ISI: 000180018300046
 Degree: -

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Title: Applied Physics Letters
  Alternative Title : Appl. Phys. Lett.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 81 (26) Sequence Number: - Start / End Page: 5030 - 5032 Identifier: ISSN: 0003-6951