Title :
Leak-free focusing of propagating surface plasmon waves using non-symmetric double nanorings
Author :
Zeng, Beibei ; Gao, Yongkang ; Bartoli, Filbert J.
Author_Institution :
Electr. & Comput. Eng. Dept., Lehigh Univ., Bethlehem, PA, USA
Abstract :
Plasmonic leak-free focusing is proposed using nonsymmtric double nanorings. A single focal spot could be obtained at the geometric center through the constructive interference of two anti-propagating surface plasmon waves by breaking the geometrical symmetry.
Keywords :
lenses; nanostructured materials; optical focusing; plasmonics; surface plasmons; antipropagating surface plasmon waves; constructive interference; focal spot; geometric center; geometrical symmetry; nonsymmetric double nanorings; plasmonic leak free focusing; Films; Focusing; Interference; Lenses; Lighting; Plasmons; Surface waves;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
