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dc.contributor.author
Lusk, Mark T.
dc.contributor.author
Siemens, Mark
dc.contributor.author
Quinteiro, Guillermo Federico
dc.date.available
2019-08-15T18:33:27Z
dc.date.issued
2019-01
dc.identifier.citation
Lusk, Mark T.; Siemens, Mark; Quinteiro, Guillermo Federico; Large centroid shifts of vortex beams reflected from multi-layers; IOP Publishing; Journal of Optics; 21; 1; 1-2019; 1-10
dc.identifier.issn
2040-8978
dc.identifier.uri
http://hdl.handle.net/11336/81665
dc.description.abstract
Gaussian beams reflected from a multi-layered dielectric experience a shift in their centroid that is different than that from a single interface. This has been previously investigated for linearly polarized beams and, to a much lesser extent, beams with spin angular momentum. Here a combination of theoretical and computational analysis is used to provide a unified quantification of these shifts in layered dielectrics, for light endowed with an intrinsic orbital angular momentum (OAM) - i.e. vortex beams. Two geometries are considered: air/glass/air and glass/air/glass multi-layers. Destructive interference causes singular lateral shifts in the centroid of the reflected vortex beam for which spin alone produces only a mild modulation. In the case of total internal reflection, both spin and intrinsic OAM contribute to an enhancement of these lateral shifts as the interlayer thickness is decreased. This is just the opposite of the trend associated with longitudinal shifts. We find that vortex beams undergo centroid shifts up to tens of microns, more than an order of magnitude larger than for Gaussian beams.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
IOP Publishing
dc.rights
info:eu-repo/semantics/embargoedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Centroid Shift
dc.subject
Twisted Light
dc.subject
Vortex Beams
dc.subject.classification
Óptica
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Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Large centroid shifts of vortex beams reflected from multi-layers
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-08-01T20:10:18Z
dc.identifier.eissn
2040-8986
dc.journal.volume
21
dc.journal.number
1
dc.journal.pagination
1-10
dc.journal.pais
Reino Unido
dc.journal.ciudad
Bristol
dc.description.fil
Fil: Lusk, Mark T.. Colorado School Of Mines; Estados Unidos
dc.description.fil
Fil: Siemens, Mark. University of Denver; Estados Unidos
dc.description.fil
Fil: Quinteiro, Guillermo Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Modelado e Innovación Tecnológica. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas Naturales y Agrimensura. Instituto de Modelado e Innovación Tecnológica; Argentina
dc.journal.title
Journal of Optics
dc.rights.embargoDate
2019-12-11
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/2040-8986/aaf318
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.1088/2040-8986/aaf318
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