Abstract
We developed a instrument consisting of an ultraviolet (UV) near-field scanning optical microscope (NSOM) combined with time-correlated single photon counting, which allows efficient observation of temporal dynamics of near-field photoluminescence (PL) down to the sub-wavelength scale. The developed time-resolved UV NSOM system showed a spatial resolution of 110 nm and a temporal resolution of 130 ps in the optical signal. The proposed microscope system was successfully demonstrated by characterizing the near-field PL lifetime of InGaN/GaN multiple quantum wells.
| Original language | English |
|---|---|
| Pages (from-to) | 1798-1801 |
| Number of pages | 4 |
| Journal | Journal of nanoscience and nanotechnology |
| Volume | 13 |
| Issue number | 3 |
| DOIs | |
| State | Published - 2013.03 |
Keywords
- Near-field scanning optical microscopy (NSOM)
- Time-correlated single photon counting (TCSPC)
- Time-resolved photoluminescence (TRPL)
Quacquarelli Symonds(QS) Subject Topics
- Materials Science
- Engineering - Chemical
- Chemistry
- Physics & Astronomy
- Biological Sciences
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