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Scattering focusing and localized surface plasmons in a single Ag nanoring.
- Source :
-
Applied Physics Letters . 12/27/2010, Vol. 97 Issue 26, p261107. 3p. - Publication Year :
- 2010
-
Abstract
- We investigate the far-field scattering property of a single Ag nanoring. Under oblique excitation, two-focus scatterings with distinct intensities were observed. We show that the two-focus scatterings result from the interference of far-field scattering light from the ring circumference, and the local field enhancement effect of surface plasmons plays the key role in the focus intensity. By finite difference time domain and numerical integer methods, we calculated far-field scattering and surface plasmons' distributions, and the results are in good agreement with the experiment. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 97
- Issue :
- 26
- Database :
- Academic Search Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 56910491
- Full Text :
- https://doi.org/10.1063/1.3532113