Plasmon scattering from a single gold nanoparticle collected through an optical fiber
- 7 January 2005
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 86 (3) , 031902
- https://doi.org/10.1063/1.1851011
Abstract
A single gold nanoparticle is attached to the end of a chemically etched fiber axicon microlens tip by modifying the tip surface with linker molecules. The high collection efficiency of the fiber axicon microlens allows plasmon scattering of a single nanoparticle to be measured directly through the optical fiber. The portable nature of this probe allows direct optical sensing of environmental changes using a single nanoparticle.Keywords
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