Phase-sensitive near-field study of surface plasmon polaritons launched by chains of subwavelength holes in gold films

A chain of subwavelength sized holes in a gold film is used to launch surface plasmon polaritons. We investigate how the field pattern close to the chain evolves into diffraction orders in the far field. SPP are a powerful tool in the quest to build optical components at the nanoscale.

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Bibliographische Detailangaben
Hauptverfasser:	van Oosten, D., Spasenovic, M., Kuipers, L.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	(180.4243) Near-field microscopy (240.6680) Optics at surfaces: Surface plasmons (250.5403) Optoelectronics: Plasmonics (350.4238) Nanophotonics Gold Optical arrays Optical diffraction Optical films Optical interferometry Optical ring resonators Optical surface waves Optical waveguides Plasmons Surface waves
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Beschreibung
Zusammenfassung:	A chain of subwavelength sized holes in a gold film is used to launch surface plasmon polaritons. We investigate how the field pattern close to the chain evolves into diffraction orders in the far field. SPP are a powerful tool in the quest to build optical components at the nanoscale.
ISSN:	2160-9004
DOI:	10.1364/IQEC.2009.IFC1