Nanopin plasmonic resonator array and its optical properties.
basic_science · Level V
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Abstract
A one-step electron-beam lithography process for the fabrication of a high-aspect ratio nanopin array is presented. Each nanopin is a metal-capped dielectric pillar upon a ring-shaped metallic disc. Highly tunable optical properties and the electromagnetic interplay between the metallic components were studied by experiment and simulation. The two metallic pieces play asymmetrical roles in their coupling to each other due to their drastic size difference. The structure can lead to ultrasensitive surface-enhanced Raman scattering chemical sensor arrays, etc.
Medical subject headings
- Crystallization
- Gold
- Nanostructures
- Nanotechnology
- Polymethyl Methacrylate
- Surface Plasmon Resonance