Figure 1: Hole-antenna system which has been made in a gold (Au) film. | Scientific Reports

Figure 1: Hole-antenna system which has been made in a gold (Au) film.

From: A phased antenna array for surface plasmons

Figure 1

(a) schematic representation of the studied system containing a gold film with 5 holes which are illuminated from the bottom. The amplitude, phase and polarization state of each hole is controlled independently. The optical signal on the top surface is measured using a Near-field Scanning Optical Microscope. (b) shows a SEM micrograph of 5 holes in a 250 nm thick Au-film.

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