Mostra el registre d'ítem simple

dc.contributor.authorCheng, Yu Chieh
dc.contributor.authorRedondo, Javier
dc.contributor.authorStaliunas, Kestutis
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear
dc.date.accessioned2015-03-23T12:02:55Z
dc.date.available2015-03-23T12:02:55Z
dc.date.created2014-03-10
dc.date.issued2014-03-10
dc.identifier.citationCheng, Y.; Redondo, J.; Staliunas, K. Beam focusing in reflections from flat subwavelength diffraction gratings. "Physical review A", 10 Març 2014, vol. 89, núm. 3, p. 033814-1-033814-5.
dc.identifier.issn1050-2947
dc.identifier.urihttp://hdl.handle.net/2117/26933
dc.description.abstractWe predict that narrow beams, reflecting from flat subwavelength diffraction gratings, can focus. The effect is shown for the beams of electromagnetic radiation; however, it should be observable for beams of waves of arbitrary nature (microwaves, surface plasmons, and acoustic and mechanical waves). We present analytical estimations of the focusing performance obtained by multiple scattering calculations and demonstrate the focusing effect numerically for an optical system (reflections from an array of dielectric cylinders), using the finite-difference time-domain calculations.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Física
dc.subject.lcshScattering (Physics)
dc.subject.otherAnalytical estimations
dc.subject.otherDielectric cylinder
dc.subject.otherFinite-difference time-domain calculations
dc.subject.otherFocusing effect
dc.subject.otherFocusing performance
dc.subject.otherMultiple scattering calculations
dc.subject.otherSub-wavelength
dc.subject.otherSurface plasmons
dc.titleBeam focusing in reflections from flat subwavelength diffraction gratings
dc.typeArticle
dc.subject.lemacDispersió (Física)
dc.contributor.groupUniversitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers
dc.identifier.doi10.1103/PhysRevA.89.033814
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
local.identifier.drac14263063
dc.description.versionPostprint (published version)
local.citation.authorCheng, Y.; Redondo, J.; Staliunas, K.
local.citation.publicationNamePhysical review A
local.citation.volume89
local.citation.number3
local.citation.startingPage033814-1
local.citation.endingPage033814-5


Fitxers d'aquest items

Thumbnail

Aquest ítem apareix a les col·leccions següents

Mostra el registre d'ítem simple