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Journal of the European Optical Society-Rapid Publications
Fig. 1 | Journal of the European Optical Society-Rapid Publications

Fig. 1

From: Exclusive and efficient excitation of plasmonic breathing modes of a metallic nanodisc with the radially polarized optical beams

Fig. 1

a Geometric configuration of the FEM simulation, which shows the rotationally symmetric electric field amplitude distribution from two RPO beams transporting in counteracted directions; b Magnified view of the part of the side cross section in (a) with the r-component of electric field displayed as arrows (focal region without disc); c Magnified view of the part of the side cross section in (a) with the z-component of electric field displayed as arrows (focal region without disc). Each of the colour bars indexes the magnitude of the net electrical field amplitude

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