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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 14 — Jul. 15, 2009
  • pp: 2150–2152

Electron energy losses in Ag nanoholes—from localized surface plasmon resonances to rings of fire

Wilfried Sigle, Jaysen Nelayah, Christoph T. Koch, and Peter A. van Aken  »View Author Affiliations


Optics Letters, Vol. 34, Issue 14, pp. 2150-2152 (2009)
http://dx.doi.org/10.1364/OL.34.002150


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Abstract

Using valence-loss energy-filtering transmission electron microscopy, we measure the optical response of an arrangement of nanoholes in a Ag film over a wide range of wavelengths ( 0.5 2 μ m ) . This technique allows us to detect the full transition from localized excitations to traveling guided modes with a spatial resolution of a few nanometers. By the well-defined arrangement of the nanoholes, we can clearly distinguish coupling effects from single-hole resonances. This type of experiment is ideally suited for the future design of biosensors and metamaterials.

© 2009 Optical Society of America

OCIS Codes
(170.0180) Medical optics and biotechnology : Microscopy
(240.6680) Optics at surfaces : Surface plasmons
(300.1030) Spectroscopy : Absorption
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Microscopy

History
Original Manuscript: March 6, 2009
Revised Manuscript: June 8, 2009
Manuscript Accepted: June 8, 2009
Published: July 9, 2009

Virtual Issues
Vol. 4, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Wilfried Sigle, Jaysen Nelayah, Christoph T. Koch, and Peter A. van Aken, "Electron energy losses in Ag nanoholes—from localized surface plasmon resonances to rings of fire," Opt. Lett. 34, 2150-2152 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-14-2150

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