Characterisation and spectroscopy of laser-cooled atoms with an optical nanofibre

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dc.check.embargoformatE-thesis on CORA onlyen
dc.check.entireThesisEntire Thesis Restricted
dc.check.infoRestricted to everyone for one yearen
dc.check.opt-outNoen
dc.check.reasonThis thesis is due for publication or the author is actively seeking to publish this materialen
dc.contributor.advisorNic Chormaic, Síleen
dc.contributor.authorRussell, Laura
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderOkinawa Institute of Science and Technology Graduate University, Japanen
dc.contributor.funderIrish Research Council for Science Engineering and Technologyen
dc.date.accessioned2014-02-10T14:44:39Z
dc.date.available2015-02-11T05:00:05Z
dc.date.issued2013
dc.date.submitted2013
dc.description.abstractIn this thesis, a magneto-optical trap setup is used to laser cool and confine a cloud of 85Rb. The cloud typically contains 108 atoms in a 1 mm3 volume at a temperature in the region of the Doppler Limit (146 _K for 85Rb). To study the cold cloud, a subwavelength optical fibre - a nanofibre, or ONF - is positioned inside the cloud. The ONF can be used in two ways. Firstly, it is an efficient fluorescence collection tool for the cold atoms. Loading times, lifetimes and temperatures can be measured by coupling the atomic fluorescence to the evanescent region of the ONF. Secondly, the ONF is used as a probe beam delivery tool using the evanescent field properties of the device, allowing one to perform spectroscopy on few numbers of near-surface atoms. With improvements in optical density of the cloud, this system is an ideal candidate in which to generate electromagnetically induced transparency and slow light. A theoretical study of the van der Waals and Casimir-Polder interactions between an atom and a dielectric surface is also presented in this work in order to understand their effects in the spectroscopy of near-surface atoms.en
dc.description.sponsorshipScience Foundation Ireland (08/ERA/l1761 through the NanoSci-E+ project NOIs); Science Foundation Ireland (06/W.1/I866 and 07/RFP/PHYF518); Irish Research Council for Science Engineering and Technology (Embark Initiative)en
dc.description.statusNot peer revieweden
dc.description.versionAccepted Version
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRussell, L. 2013. Characterisation and spectroscopy of laser-cooled atoms with an optical nanofibre. PhD Thesis, University College Cork.en
dc.identifier.endpage212
dc.identifier.urihttps://hdl.handle.net/10468/1376
dc.language.isoenen
dc.publisherUniversity College Corken
dc.rights© 2013, Laura Russellen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/en
dc.subjectCasimir-Polderen
dc.subjectvan der Waalsen
dc.subjectLasersen
dc.subjectOpticsen
dc.subjectOptical fibreen
dc.subjectSurface interactionsen
dc.subjectSpectroscopyen
dc.subjectRubidiumen
dc.subjectMagneto-optical trapen
dc.subject.lcshSpectrum analysisen
dc.subject.lcshLaser coolingen
dc.thesis.opt-outfalse
dc.titleCharacterisation and spectroscopy of laser-cooled atoms with an optical nanofibreen
dc.typeDoctoral thesisen
dc.type.qualificationlevelDoctoralen
dc.type.qualificationnamePhD (Science)en
ucc.workflow.supervisorsile.nicchormaic@oist.jp
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