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dc.contributor.authorLahrberg, Marcel
dc.contributor.authorDullo, Firehun Tsige
dc.contributor.authorAhluwalia, Balpreet Singh
dc.date.accessioned2021-01-23T22:07:05Z
dc.date.available2021-01-23T22:07:05Z
dc.date.issued2020-02-12
dc.description.abstractPhotonic-chip-based light illumination has recently found applications in optical microscopy and nanoscopy methodologies. The photonic chip removes the dependency on imaging objective lenses to generate the required illumination patterns for different microscopy methods. Until now, all the reported chip-based optical microscopy methods exploit the evanescent field present on top of a waveguide surface and are thus inherently limited to two-dimensional microscopy. Here, we perform systematic simulation studies to investigate different chip-based waveguide designs for static and dynamic shaping of light beams in the free-space. The simulation studies have been carefully designed considering the photo-lithography limitations and wavelength spectrum (405 nm to 660 nm) that is of interest in fluorescence based optical microscopy and nanoscopy. We first report the generation of a quasi-Bessel beam (QBB) using an on-chip axicon made at the end facet of a planar waveguide to mimic light sheet illumination. This is extended to the implementation of a counter propagating QBB for lattice light-sheet applications. The double axicon, a derivative of the axicon generates superimposed Bessel beams (SBB). Its waveguide-based implementation is proposed and analyzed. Finally, we investigate an optical phased array (OPA) approach to allow dynamic steering of the output light in the free-space. The aim of this study is to find suitable waveguide design parameters for free-space beam shaping operating in the visible spectrum opening possibilities for three-dimensional chip-based optical microscopy.en_US
dc.identifier.citationLahrberg M, Dullo FT, Ahluwalia BS. Photonic-chip based free space beam shaping and steering for advanced optical microscopy application. OSA Continuum. 2020:359-378en_US
dc.identifier.cristinIDFRIDAID 1853720
dc.identifier.doihttps://doi.org/10.1364/OSAC.3.000359
dc.identifier.issn2578-7519
dc.identifier.urihttps://hdl.handle.net/10037/20447
dc.language.isoengen_US
dc.publisherOptical Society of Americaen_US
dc.relation.journalOSA Continuum
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/FP7/336716/EU/High-speed chip-based nanoscopy to discover real-time sub-cellular dynamics/NANOSCOPY/en_US
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2020 The Optical Society of Americaen_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.titlePhotonic-chip based free space beam shaping and steering for advanced optical microscopy applicationen_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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