Ultraviolet Beam Focusing in Gallium Arsenide by Direct Excitation of Surface Plasmon Polaritons

Figure 1

(a) Schematic diagram of the simulated bull’s eye structure, top view. (b) Side view of the bull’s eye structure with the incident light and the collection angle illustrated. (c) Schematic diagram of the reference aperture-only structure, top view. (d) Side view of the reference aperture-only structure with the incident light and the collection angle illustrated.

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