EAN: 9783954893768

CHARACTERISATION OF METALLIC PARTICLE DISTRIBUT...

Unlike conventional optics  scanning near-field optical microscopy (SNOM) overcomesthe Rayleigh
criterion and can therefore achieve better resolutions than conventionaloptical microscopes.
This feature is utilized to measure the optical propertiesof different silver particle
distributions on a glass surface. This paper mainlylays focus on intensity correction of the
optical data due to topographical artifacts analysis of plasmonic behavior and a tentative
representation of the optical data.The simple approach for optical artifact correction has been
shown to yield qualitativesuccess  with necessity of improvement for quantitative results.
Given theconditions of the experiment  it has also been observed that plasmonic couplingseems
to have a greater impact on the small observed particles. The tentative representationof the
optics suggests that the larger particles are able to emit light byabsorption of
electromagnetic energy from their surrounding.

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