Abstract
We visualized spatial distributions of fluorescence excitation probability on a two-dimensional periodical gold nanohole array using an aperture-type scanning near-field optical microscope. Near-field fluorescence excitation images of the array revealed that the fluorescence signal is locally enhanced at internal positions on the array depending on the radiative wavelength. We also found that the enhanced fluorescence was modulated spectrally as well as spatially.
| Original language | English |
|---|---|
| Pages (from-to) | 1119-1121 |
| Number of pages | 3 |
| Journal | Chemistry Letters |
| Volume | 48 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 2019 Jan 1 |
Keywords
- Fluorescence
- Metallic nanohole array
- Near-field imaging
ASJC Scopus subject areas
- Chemistry(all)