Excitation of surface-plasmon polaritons by use of a zeroth-order Bessel beam |
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| Authors: | Kano Hiroshi Nomura Dai Shibuya Haruki |
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| Affiliation: | Muroran Institute of Technology, Mizumoto 27-1, Muroran, Jokkaido 505-8585, Japan. h-kano@elec.muroran-it.ac.jp |
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| Abstract: | We report an experimental result that shows the excitation of surface plasmon polaritons by use of a zeroth-order Bessel beam. From the viewpoint of energy efficiency, the zeroth order Bessel beam is ideal for the local excitation of surface plasmon polaritons on a metal film. We introduce an optical setup using an axicon element in order to carry out the excitation. |
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