{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/21418"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/21418","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Photoassociation of krypton and fluorine collision pairs","abstract":"The photoassociation spectrum of Kr-F collision pairs in thermal equilibrium (293$\\sp\\circ$K) to KrF(B) has been observed using a laser-induced fluorescence technique with a tunable probe over the wavelength range 219 nm $\\leq$ $\\lambda$ $\\leq$ 250 nm. The spectrum was then analyzed by numerical calculation of the Franck-Condon factors for the bound $\\gets$ free transitions. The numerical calculation provided information on the KrF(X) and KrF(B) potential as well as the KrF(B $\\to$ X) electronic dipole moment. Saturation intensities for photoassociation produced population were determined at 248 nm for gas mixtures with Kr partial pressures in the range 125 Torr $\\leq$ p$\\sb{\\rm Kr}$ $\\leq$ 1000 Torr and 1 Torr of F$\\sb2$. Two-photon absorption of Kr/F$\\sb2$ mixtures was also observed over the wavelength range 220 nm $\\leq$ $\\lambda$ $\\leq$ 250 nm. The mechanism of the two-photon absorption is determined to be photodissociation of F$\\sb2$ followed by photoassociation of non-thermalized Kr-F collision pairs.","abstract_html":"The photoassociation spectrum of Kr-F collision pairs in thermal equilibrium (293$\\sp\\circ$K) to KrF(B) has been observed using a laser-induced fluorescence technique with a tunable probe over the wavelength range 219 nm $\\leq$ $\\lambda$ $\\leq$ 250 nm. The spectrum was then analyzed by numerical calculation of the Franck-Condon factors for the bound $\\gets$ free transitions. The numerical calculation provided information on the KrF(X) and KrF(B) potential as well as the KrF(B $\\to$ X) electronic dipole moment. Saturation intensities for photoassociation produced population were determined at 248 nm for gas mixtures with Kr partial pressures in the range 125 Torr $\\leq$ p$\\sb{\\rm Kr}$ $\\leq$ 1000 Torr and 1 Torr of F$\\sb2$. Two-photon absorption of Kr/F$\\sb2$ mixtures was also observed over the wavelength range 220 nm $\\leq$ $\\lambda$ $\\leq$ 250 nm. The mechanism of the two-photon absorption is determined to be photodissociation of F$\\sb2$ followed by photoassociation of non-thermalized Kr-F collision pairs.","abstract_has_math":true,"creators":["Schloss, James Harold"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical Engineering","degree_department":null,"school":null,"contributors":["Eden, James G."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T13:08:05Z","date_published":"2011-05-07T13:08:05Z","updated_at":"2026-07-22T22:25:17Z","subjects":["Physics, Molecular","Physics, Optics"],"languages":["eng"],"rights":["Copyright 1989 Schloss, James Harold"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9011006","(UMI)AAI9011006"],"render_values":[{"text":"AAI9011006","href":null,"code":true},{"text":"(UMI)AAI9011006","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/21418","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Eden, James G."]},{"key":"dc:creator","label":"Author","values":["Schloss, James Harold"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T13:08:05Z","10000-01-01","1989"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Physics, Molecular","Physics, Optics"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1989 Schloss, James Harold"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9011006","(UMI)AAI9011006","http://hdl.handle.net/2142/21418"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The photoassociation spectrum of Kr-F collision pairs in thermal equilibrium (293$\\sp\\circ$K) to KrF(B) has been observed using a laser-induced fluorescence technique with a tunable probe over the wavelength range 219 nm $\\leq$ $\\lambda$ $\\leq$ 250 nm. The spectrum was then analyzed by numerical calculation of the Franck-Condon factors for the bound $\\gets$ free transitions. The numerical calculation provided information on the KrF(X) and KrF(B) potential as well as the KrF(B $\\to$ X) electronic dipole moment. Saturation intensities for photoassociation produced population were determined at 248 nm for gas mixtures with Kr partial pressures in the range 125 Torr $\\leq$ p$\\sb{\\rm Kr}$ $\\leq$ 1000 Torr and 1 Torr of F$\\sb2$. Two-photon absorption of Kr/F$\\sb2$ mixtures was also observed over the wavelength range 220 nm $\\leq$ $\\lambda$ $\\leq$ 250 nm. The mechanism of the two-photon absorption is determined to be photodissociation of F$\\sb2$ followed by photoassociation of non-thermalized Kr-F collision pairs.","The spectral dependence of the yield of KrF(B) following photodissociation of Kr$\\sb2$F(4$\\sp2\\Gamma$) was observed over the wavelength range 0.27 $\\mu$m $\\leq$ $\\lambda$ $\\leq$ 1.0 $\\mu$m. Kr$\\sb2$F(4$\\sp2\\Gamma$) was formed via two-photon excitation of a Kr/F$\\sb2$ gas mixture with an ArF laser. A frequency doubled dye then excited Kr$\\sb2$F(4$\\sp2\\Gamma$), and the intensity of the KrF(B $\\to$ X) emission was monitored as a function of the excitation wavelength. This excitation spectrum was compared to the absorption spectrum of Kr$\\sb2$F(4$\\sp2\\Gamma$) (as measured by suppression of the Kr$\\sb2$F(4$\\sp2\\Gamma$ $\\to$ 1$\\sp2\\Gamma$) emission) to determine the wavelength dependence of the quantum yield of KrF(B).","Made available in DSpace on 2011-05-07T13:08:05Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9011006.pdf: 3563996 bytes, checksum: 343e31becfdf99e049107407fc358952 (MD5) Previous issue date: 1989","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:50:38Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:23:09-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"]},{"key":"dc:title","label":"Title","values":["Photoassociation of krypton and fluorine collision pairs"]}]}],"canonical_facts":{"dc:contributor":["Eden, James G."],"dc:creator":["Schloss, James Harold"],"dc:date":["2011-05-07T13:08:05Z","10000-01-01","1989"],"dc:description":["The photoassociation spectrum of Kr-F collision pairs in thermal equilibrium (293$\\sp\\circ$K) to KrF(B) has been observed using a laser-induced fluorescence technique with a tunable probe over the wavelength range 219 nm $\\leq$ $\\lambda$ $\\leq$ 250 nm. The spectrum was then analyzed by numerical calculation of the Franck-Condon factors for the bound $\\gets$ free transitions. The numerical calculation provided information on the KrF(X) and KrF(B) potential as well as the KrF(B $\\to$ X) electronic dipole moment. Saturation intensities for photoassociation produced population were determined at 248 nm for gas mixtures with Kr partial pressures in the range 125 Torr $\\leq$ p$\\sb{\\rm Kr}$ $\\leq$ 1000 Torr and 1 Torr of F$\\sb2$. Two-photon absorption of Kr/F$\\sb2$ mixtures was also observed over the wavelength range 220 nm $\\leq$ $\\lambda$ $\\leq$ 250 nm. The mechanism of the two-photon absorption is determined to be photodissociation of F$\\sb2$ followed by photoassociation of non-thermalized Kr-F collision pairs.","The spectral dependence of the yield of KrF(B) following photodissociation of Kr$\\sb2$F(4$\\sp2\\Gamma$) was observed over the wavelength range 0.27 $\\mu$m $\\leq$ $\\lambda$ $\\leq$ 1.0 $\\mu$m. Kr$\\sb2$F(4$\\sp2\\Gamma$) was formed via two-photon excitation of a Kr/F$\\sb2$ gas mixture with an ArF laser. A frequency doubled dye then excited Kr$\\sb2$F(4$\\sp2\\Gamma$), and the intensity of the KrF(B $\\to$ X) emission was monitored as a function of the excitation wavelength. This excitation spectrum was compared to the absorption spectrum of Kr$\\sb2$F(4$\\sp2\\Gamma$) (as measured by suppression of the Kr$\\sb2$F(4$\\sp2\\Gamma$ $\\to$ 1$\\sp2\\Gamma$) emission) to determine the wavelength dependence of the quantum yield of KrF(B).","Made available in DSpace on 2011-05-07T13:08:05Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9011006.pdf: 3563996 bytes, checksum: 343e31becfdf99e049107407fc358952 (MD5) Previous issue date: 1989","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:50:38Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:23:09-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["AAI9011006","(UMI)AAI9011006","http://hdl.handle.net/2142/21418"],"dc:language":["eng"],"dc:rights":["Copyright 1989 Schloss, James Harold"],"dc:subject":["Physics, Molecular","Physics, Optics"],"dc:title":["Photoassociation of krypton and fluorine collision pairs"],"dc:type":["text"],"thesis:degree_discipline":["Electrical Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:17Z"}