Abstract

In this chapter, the idea of the localized surface-plasmon-polariton (SPP) is described. The excitation method of the localized SPP and some theoretical analyses of its field distributions on a metallic surface for some varieties of light incidence are shown. As an application of the localized SPP, local thickness measurement of ultra-thin films is introduced. Visualization of the refractive index distribution on a metallic surface using the localized SPP is also described.

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