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Proceedings Paper

Tunneling and spatial resolution in near-field optics
Author(s): Gleb S. Zhdanov
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Paper Abstract

A simple model resembling those used in scanning tunneling microscopy is proposed for an optical probe tip. The tip is considered as a pointlike source (detector) displaced from the apex in the direction towards or from the sample. The exact position of this point depends on the shape of electric field lines within the gap and is a crucial factor determining the probe imaging properties. For various probes, both the aperture and apertureless ones, a general expression relating the lateral resolution with the corrugation amplitude, the gap width, and the tip (the aperture) radius is obtained.

Paper Details

Date Published: 15 July 2004
PDF: 9 pages
Proc. SPIE 5506, Nonresonant Laser-Matter Interaction (NLMI-11), (15 July 2004); doi: 10.1117/12.580274
Show Author Affiliations
Gleb S. Zhdanov, S.I. Vavilov State Optical Institute (Russia)

Published in SPIE Proceedings Vol. 5506:
Nonresonant Laser-Matter Interaction (NLMI-11)
Mikhail N. Libenson, Editor(s)

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