Spatial evolution of the near-field distribution on planar gold nanoparticles with the excitation wavelength across dipole and quadrupole modes
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DOI: 10.1364/prj.5.000187
Abstract: We investigate the superposition properties of the dipole and quadrupole plasmon modes in the near field both experimentally, by using photoemission electron microscopy (PEEM), and theoretically. In particular, the asymmetric near-field distributions on gold (Au)… read more here.
Keywords: field; near field; spatial evolution; quadrupole modes ... See more keywords