Títol:
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Sub-wavelength patterning of the optical near-field
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Autor/a:
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Quidaint, R; Badenes, G; Cheylan, Stephanie; Alcubilla González, Ramón; Weeber, J C; Girard, C
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Altres autors:
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Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. MNT - Grup de Recerca en Micro i Nanotecnologies |
Abstract:
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We report the sub-wavelength patterning of the optical near-field by total internal reflection illumination of a regular array of resonant gold nano-particles. Under appropriate conditions, the in-plane coupling between Localized Surface Plasmon (LSP) fields gives rise to sub-wavelength light spots between the structures. Measurements performed with an Apertureless Scanning Near-Field Optical Microscope (ASNOM) show a good agreement with theoretical predictions based on the Green dyadic method. This concept might offer a convenient way to elaborate extended optical trap landscapes for manipulation of sub-micrometer systems. |
Abstract:
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Peer Reviewed |
Matèries:
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-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica -Optical communications -Electron beam lithography -Scanning electron microscopy -Surface enhanced Raman scattering -Surface plasmons -Total internal reflection -White light -Comunicacions òptiques |
Drets:
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Tipus de document:
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Article - Versió publicada Article |
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