Abstract
Scattering field interactions and surface plasmon resonance (SPR) in coupled silver nanospheres are simulated by using the finite-element method, which includes the influences of near-field enhancements of electric field by the particle sizes, separation distances, propagation directions, as well as the polarizations of the incident wave. The proposed structures exhibit a red- and blue-shifted that can be tuned by varying the particle sizes and the separation distances, respectively. Implications for surface-enhance Raman scattering and nano-optics are discussed in three-dimensional models. The evolution of SPR and nano-photonic device with the structural variations can be designed in a controlled manner. © 2008 Springer Science+Business Media, LLC.
| Original language | English |
|---|---|
| Pages (from-to) | 157-164 |
| Number of pages | 8 |
| Journal | Plasmonics |
| Volume | 3 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Dec 2008 |
| Externally published | Yes |
Keywords
- Finite-element method
- Silver nanospheres
- Surface plasmon resonances
ASJC Scopus subject areas
- Biotechnology
- Biophysics
- Biochemistry
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