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- Park, Kyoung-Duck
- Nano-PhotoEnergy Lab.
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Time-Resolved Ultraviolet Near-Field Scanning Optical Microscope for Characterizing Photoluminescence Lifetime of Light-Emitting Devices
- Author(s)
- Park, Kyoung-Duck, Jeong, Hyun, Kim, Yong Hwan, Yim, Sang-Youp, Lee, Hong Seok, Suh, Eun-Kyung, Jeong, Mun Seok
- Issued Date
- 2013-03
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.13, no.3, pp.1798 - 1801
- 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.
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- ISSN
- 1533-4880
- Keyword (Author)
- Time-Resolved Photoluminescence (TRPL), Time-Correlated Single Photon Counting (TCSPC), Near-Field Scanning Optical Microscopy (NSOM)
- Keyword
- QUANTUM-WELLS
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