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dc.contributor.authorAhluwalia, Balpreet Singh
dc.contributor.authorHelle, Øystein Ivar
dc.contributor.authorHellesø, Olav Gaute
dc.date.accessioned2016-10-12T12:45:24Z
dc.date.available2016-10-12T12:45:24Z
dc.date.issued2016-02-23
dc.description.abstractRib waveguides are investigated as an alternative to strip waveguides for planar trapping and transport of microparticles. Microparticles are successfully propelled along the surface of rib waveguides and trapped in the gap between opposing rib waveguides. The trapping capabilities of waveguide end facets formed by a single and opposing waveguide geometries are investigated. The slab beneath a rib waveguide continues to guide light after the end facet of a rib waveguide. Thus particles can be trapped in wider gaps formed by opposing rib waveguides than with strip waveguides. Rib waveguides were found more efficient in trapping a collection of particles in the gap and particles could be moved to different locations in the gap by changing the relative power in the two opposing rib waveguides. Numerical simulations are used to show that the trapping efficiency on the surface of rib and strip waveguides is comparable. The simulations also confirm the advantage of opposing rib waveguides for trapping particles in wide gaps. The low sidewalls of rib waveguides give low propagation losses and make it easy to integrate rib waveguides with other functions in a lab-on-a-chip where particle trapping and transport is required.en_US
dc.description.sponsorshipEuropean Research Council (ERC) Grant (Project No 336716, “Nanoscopy”)en_US
dc.descriptionThis is the accepted manuscript version. Published version can be found at <a href=http://doi.org/10.1364/OE.24.004477>http://doi.org/10.1364/OE.24.004477</a>.en_US
dc.identifier.citationOptics Express 2016, 24(5):4477-4487en_US
dc.identifier.cristinIDFRIDAID 1381320
dc.identifier.doi10.1364/OE.24.004477
dc.identifier.issn1094-4087
dc.identifier.urihttps://hdl.handle.net/10037/9842
dc.language.isoengen_US
dc.publisherOptical Society of Americaen_US
dc.rights.accessRightsopenAccess
dc.subjectIntegrated optics devicesen_US
dc.subjectOptical tweezers or optical manipulationen_US
dc.subjectWaveguidesen_US
dc.subjectVDP::Mathematics and natural science: 400::Physics: 430::Electromagnetism, acoustics, optics: 434en_US
dc.subjectVDP::Matematikk og Naturvitenskap: 400::Fysikk: 430::Elektromagnetisme, akustikk, optikk: 434en_US
dc.titleRib waveguides for trapping and transport of particlesen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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