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The interaction of surface plasmons supported on a nanohole array and a single nanoparticle affixed to an atomic force microscopy (AFM) probe was studied for optimizing gap mode enhancement of the plasmonic field. Scanning probe microscopy controlled the AFM probe position, and the location specific interaction of the single nanoparticle (SNP) probe-nanohole array surface plasmons, was measured by...
A technique is proposed to extend the application of surface-plasmon-based spectroscopy into the mid-infrared spectral regime, which is of substantial interest in the field of chemical analysis and biosensing. Surface plasmons can be excited for wavelengths of the order of 6 μm at corrugated waveguides for a given combination of materials and thicknesses, and for refractive indices of the surrounding...
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