Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/104891
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dc.contributor.authorSparkes, B.en
dc.contributor.authorMurphy, D.en
dc.contributor.authorTaylor, R.en
dc.contributor.authorSpeirs, R.en
dc.contributor.authorMcCulloch, A.en
dc.contributor.authorScholten, R.en
dc.date.issued2016en
dc.identifier.citationPhysical Review A, 2016; 94(2):023404-1-023404-8en
dc.identifier.issn2469-9926en
dc.identifier.issn2469-9934en
dc.identifier.urihttp://hdl.handle.net/2440/104891-
dc.description.abstractWe implement high-efficiency coherent excitation to a Rydberg state using stimulated Raman adiabatic passage in a cold-atom electron and ion source.We achieve an efficiency of 60% averaged over the laser excitation volume with a peak efficiency of 82%, a 1.6 times improvement relative to incoherent pulsed-laser excitation. Using pulsed electric field ionization of the Rydberg atoms we create electron bunches with durations of 250 ps. High-efficiency excitation will increase source brightness, crucial for ultrafast electron diffraction experiments, and coherent excitation to high-lying Rydberg states could allow for the reduction of internal bunch heating and the creation of a high-speed single-ion source.en
dc.description.statementofresponsibilityB. M. Sparkes, D. Murphy, R. J. Taylor, R. W. Speirs, A. J. McCulloch and R. E. Scholtenen
dc.language.isoenen
dc.publisherAmerican Physical Society.en
dc.rights©2016 American Physical Societyen
dc.titleStimulated Raman adiabatic passage for improved performance of a cold-atom electron and ion sourceen
dc.typeJournal articleen
dc.identifier.rmid0030068475en
dc.identifier.doi10.1103/PhysRevA.94.023404en
dc.relation.granthttp://purl.org/au-research/grants/arc/DP140102102en
dc.identifier.pubid348774-
pubs.library.collectionPhysics publicationsen
pubs.library.teamDS11en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidSparkes, B. [0000-0002-9370-2006]en
Appears in Collections:Physics publications

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