Publication

Direct Near-Field Optical Imaging of Higher Order Plasmonic Resonances

Klaus Kern
2008
Journal Articles

Abstract

We map in real space and by purely optical means near-field optical information of localized surface plasmon polariton (LSPP) resonances excited in nanoscopic particles. We demonstrate that careful polarization control enables apertureless scanning near-field optical microscopy (aSNOM) to image dipolar and quadrupolar LSPPs of the bare sample with high fidelity in both amplitude and phase. This establishes a routine method for in situ optical microscopy of plasmonic and other resonant structures under ambient conditions.

Official source

https://infoscience.epfl.ch/entities/publication/f028a662-fb26-4bef-acca-48b5508c5c06

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Direct Near-Field Optical Imaging of Higher Order Plasmonic Resonances

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