Optical nano-imaging of metallic nanostructures

Antonello Nesci; Olivier J. F. Martin

doi:10.1117/12.616932

18 August 2005 Optical nano-imaging of metallic nanostructures

Proceedings Volume 5928, Plasmonic Nano-imaging and Nanofabrication; 59280U (2005) https://doi.org/10.1117/12.616932
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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.

Citation Download Citation

Antonello Nesci and Olivier J. F. Martin "Optical nano-imaging of metallic nanostructures", Proc. SPIE 5928, Plasmonic Nano-imaging and Nanofabrication, 59280U (18 August 2005); https://doi.org/10.1117/12.616932

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