Optical-optical double resonance circular polarization spectroscopy: Measurement of the disorientation cross section in 6p(2)P(1/2) Cs atoms

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dc.authoridSaglam, Ziya -- 0000-0003-2981-3163; Popov, Oleg -- 0000-0002-0249-8493;
dc.contributor.authorBayram, Serene Burçin
dc.contributor.authorFisher, D. S.
dc.contributor.authorPopov, Oleg
dc.contributor.authorSağlam, Ziya
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-16T09:15:53Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-16T09:15:53Z
dc.date.issued2012
dc.departmentFen-Edebiyat Fakültesi
dc.description.abstractWe have measured the cross section for the disorientation of excited 6p(2)P(1/2) Cs-133 atoms by collisions with ground state Ar atoms by optical-optical double resonance circular polarization spectroscopy. Circular polarization spectra were measured for the 6s(2)S(1/2) -> 6p(2)P(1/2)-> 10s(2)S(1/2) transition. Orientation was optically induced in the P-2(1/2) state by circularly polarized light. A polarization degree was measured when two pulsed lasers were circularly polarized with the same helicities and opposite helicities, respectively. The intensity of the cascade fluorescence signal, monitored from the 9p(2)P(1/2)-> 6s(2)S(1/2) transition at 361.73 nm, was analyzed in the presence of Ar pressures ranging from 7 mbar to 133 mbar. This is a direct measure of the importance of the orientation to inelastic process in alkali rare-gas collisions. A disorientation cross section value of 9.25 (1.4) angstrom(2) was extracted from the measurements. Our result is in good agreement with the theoretical and experimental predictions within the error limits.
dc.description.sponsorshipResearch Corporation [CC7133]; Miami University, College of the Arts and Sciences
dc.description.sponsorshipThe financial support of the Research Corporation under the Grant number CC7133 and Miami University, College of the Arts and Sciences are acknowledged.
dc.identifier.doi10.1016/j.jqsrt.2012.06.017
dc.identifier.endpage2071en_US
dc.identifier.issn0022-4073
dc.identifier.issn1879-1352
dc.identifier.issue16en_US
dc.identifier.scopusqualityQ1
dc.identifier.startpage2066en_US
dc.identifier.urihttps://doi.org/10.1016/j.jqsrt.2012.06.017
dc.identifier.urihttps://hdl.handle.net/20.500.12451/4489
dc.identifier.volume113en_US
dc.identifier.wosWOS:000309574400011
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPERGAMON-ELSEVIER SCIENCE
dc.relation.ispartofJOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectSpectroscopy
dc.subjectAtom-Atom Collisions
dc.subjectDisorientation
dc.subjectInelastic Collisions
dc.subjectCross Section
dc.subjectRadiative Transfer
dc.titleOptical-optical double resonance circular polarization spectroscopy: Measurement of the disorientation cross section in 6p(2)P(1/2) Cs atoms
dc.typeArticle

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