Basic optical elements for surface plasmons are fabricated and their functionality (focusing, refraction, and total internal reflection) is demonstrated experimentally. The optical elements consist of dielectric structures of defined geometry on top of a gold film. The working principle of these structures is discussed on the basis of calculated surface plasmon dispersion relations.
© 2005 Optical Society of America
Andreas Hohenau, Joachim R. Krenn, Andrey L. Stepanov, Aurelien Drezet, Harald Ditlbacher, Bernhard Steinberger, Alfred Leitner, and Franz R. Aussenegg, "Dielectric optical elements for surface plasmons," Opt. Lett. 30, 893-895 (2005)