Oblique launching of optical surface waves by a subwavelength slit
Entidad
UAM. Departamento de Física Teórica de la Materia CondensadaEditor
American Physical SocietyFecha de edición
2011-04-26Cita
10.1103/PhysRevB.83.155448
Physical Review B 83.15 (2011): 155448
ISSN
1550-235X (online); 1098-0121 (print)DOI
10.1103/PhysRevB.83.155448Financiado por
The authors acknowledge support from the Spanish Ministr of Science and Innovation under Grant Nos. MAT2009-6609-C02 and CSD2007-046-NanoLight.es. A.Y.N. acknowledges the Juan de la Cierva Grant No. JCI-2008-3123Proyecto
Gobierno de España. MAT2009- 06609-C02; Gobierno de España. CSD2007-046-Nanolight.esVersión del editor
http://dx.doi.org/10.1103/PhysRevB.83.155448Materias
FísicaDerechos
© 2011 American Physical SocietyResumen
The electromagnetic field on the metal surface launched by a subwavelength slit is analytically studied for the case when the fundamental mode inside the slit has a wave-vector component along the slit axis (conical mount). Both near-field and far-field regions are discussed, and the role of surface plasmon-polaritons and Norton waves is revealed. It is shown that the distance from the slit at which Norton waves are more intense than surface plasmons decreases with the parallel wave vector. Additionally, it is found that the s-polarization component, while present for any nonzero parallel wave vector, only weakly contributes to the Norton waves
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Google Scholar:Nikitin, A. Yu
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García Vidal, Fco. José
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Martín-Moreno, L.
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