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Proceedings Paper

Optical nano-imaging of metallic nanostructures
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Paper Abstract

Metallic Nanostructures are giving rise to a great deal of attention from a broad scientific community, ranging from physicist and electrical engineers to biologists. The interest is growing rapidly in finding novel devices for future applications that allow using metallic waveguides for optical signal transmission and processing. In this contribution, we investigate some of the fundamental phenomena that take place in these systems. Also the extraordinary transmission of light though sub-wavelength holes in a metal is investigated, keeping in mind various potential biophotonics applications. In this paper, we demonstrate an optical nano-imaging technique that is particularly well suited to characterize the near-field interaction of light with metallic nanostructures: coherent near-field microscopy. This technique allows the total characterization of the near-field by giving full access to its amplitude and its phase. Its application to the characterization and study of plasmonic nanostructures is illustrated using several systems, the coherent near-field optical measurements of light transmission though sub-wavelength holes drilled in a gold thin film and surface plasmons propagating on a metal film and its interaction at a metal-air interface.

Paper Details

Date Published: 18 August 2005
PDF: 9 pages
Proc. SPIE 5928, Plasmonic Nano-imaging and Nanofabrication, 59280U (18 August 2005); doi: 10.1117/12.616932
Show Author Affiliations
Antonello Nesci, Swiss Federal Institute of Technology (Switzerland)
Olivier J. F. Martin, Swiss Federal Institute of Technology (Switzerland)

Published in SPIE Proceedings Vol. 5928:
Plasmonic Nano-imaging and Nanofabrication
Satoshi Kawata; Vladimir M. Shalaev; Din Ping Tsai, Editor(s)

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