Journal
JOURNAL OF LUMINESCENCE
Volume 133, Issue -, Pages 145-148Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2011.12.035
Keywords
Surface plasmon polariton; Tip-enhanced Rayleigh scattering; Au thin film
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Funding
- Nanotechnology Network Project of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
- KAKENHI [23104711]
- Global Center of Excellence Program by MEXT, Japan, through the Nanoscience and Quantum Physics Project of the Tokyo Institute of Technology
- Grants-in-Aid for Scientific Research [22340077] Funding Source: KAKEN
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Surface plasmon polariton (SPP) propagation on a Au thin film has been observed by tip-enhanced Rayleigh scattering. The interference pattern has been observed around the edge of the film. The interference is due to the near-field scattering light at the tip and SPP radiation from the edge of the film. From the interference width, we evaluated the wave number of SPP on the Au film. By changing the wavelength of the incidence light, we have obtained the dispersion relation of the SPP. The experimentally obtained dispersion relation is well corresponding to the calculated one using bulk Au parameters. (c) 2011 Elsevier B.V. All rights reserved.
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