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Interference of surface plasmon polaritons excited at hole pairs in thin gold films

AuthorsHäfele, V.; León-Pérez, F. de; Hohenau, Andreas; Martín-Moreno, Luis
Issue Date2012
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 101(20): 201102 (2012)
AbstractThe excitation of surface plasmon polaritons by focusing a laser beam onto a hole pair in a thin gold film is studied both experimentally and theoretically. By means of leakage radiation microscopy we quantitatively measure the light-plasmon coupling efficiency as a function of the hole distance. We find a modulation of the coupling efficiency as a function of hole distance that strongly depends on the polarization direction of the incident light, in agreement with theoretical simulations.
Description4 páginas, 4 figuras.-- et al.
Publisher version (URL)http://dx.doi.org/10.1063/1.4767523
Identifiersdoi: 10.1063/1.4767523
issn: 0003-6951
e-issn: 1077-3118
Appears in Collections:(ICMA) Artículos
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