File:Electron density wave - plasmon excitations.jpg

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Electron_density_wave_-_plasmon_excitations.jpg ‎(666 × 199 pixels, file size: 42 KB, MIME type: image/jpeg)

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Summary[edit]

Description
English: Schematic representation of an electron density wave propagating along a metal/dielectric interface. The charge density oscillations and associated electromagnetic fields are called surface plasmon-polariton waves. The exponential dependence of the electromagnetic field intensity on the distance away from the interface is shown on the right. These waves can be excited very efficiently with light in the visible range of the electromagnetic spectrum.

Presently, metallic nanostructures are used to fabricate/analyze:

  • Sub-diffraction limit optical waveguides based on metallic nanoparticle arrays and nanowires.
  • Plasmon excitations on thin films with ordered arrays of holes.
  • Ultra-sensitive optical sensors for biological applications.
  • Electronic interconnects.
Date
Source National Science Foundation - Center for Probing the Nanoscale
Author Center for Probing the Nanoscale -
Permission
(Reusing this file)		 Public Domain - NSF (of US government)

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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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current04:41, 9 December 2009Thumbnail for version as of 04:41, 9 December 2009666 × 199 (42 KB)Ti-30X (talk | contribs){{Information |Description={{en|1=[http://www.stanford.edu/group/cpn/research/investigators_2.html Schematic representation] of an electron density wave propagating along a metal/dielectric interface. The charge density oscillations and associated electro

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