Please use this identifier to cite or link to this item: https://doi.org/10.1364/AO.50.004463
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dc.titleHighly convergent focusing of light based on rotating dipole polarization
dc.contributor.authorSheppard, C.J.R.
dc.contributor.authorRehman, S.
dc.date.accessioned2014-10-08T09:44:09Z
dc.date.available2014-10-08T09:44:09Z
dc.date.issued2011-08-01
dc.identifier.citationSheppard, C.J.R., Rehman, S. (2011-08-01). Highly convergent focusing of light based on rotating dipole polarization. Applied Optics 50 (22) : 4463-4467. ScholarBank@NUS Repository. https://doi.org/10.1364/AO.50.004463
dc.identifier.issn1559128X
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/87815
dc.description.abstractFocusing properties of transverse circular polarization modes that bring light to a small focal spot are investigated. Two particular illumination polarization distributions are discussed. Rotating electric dipole polarization results in a central lobe diameter 8% smaller than for the circularly polarized aplanatic case at a NA of 0.95 in air and is also smaller than for radial polarization at NAs less than 0.90. Azimuthal polarization with a phase singularity of charge unity results in a small central lobe width that is smaller than that produced by focusing radially polarized light, having a width that is 17% smaller than for circularly polarized illumination at a NA of 0.95. © 2011 Optical Society of America.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1364/AO.50.004463
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentBIOENGINEERING
dc.description.doi10.1364/AO.50.004463
dc.description.sourcetitleApplied Optics
dc.description.volume50
dc.description.issue22
dc.description.page4463-4467
dc.description.codenAPOPA
dc.identifier.isiut000293335300033
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