{"id":{"repo_id":"unlv","oai_identifier":"oai:oasis.library.unlv.edu:rtds-2596"},"canonical_url":"https://search.dev.ndltd.org/etd/unlv/oai:oasis.library.unlv.edu:rtds-2596","repository":{"repo_id":"unlv","name":"University of Nevada - Las Vegas","base_url":"https://oasis.library.unlv.edu/do/oai/"},"display":{"title":"The design and performance of an x-ray emission spectrometer using the polarized Kalpha spectra of chlorine and potassium","abstract":"The x-ray emission spectrometer was designed to observe the polarization of x-ray fluorescence resulting from the excitation of a sample by synchrotron radiation. The incident photons are intense, monoenergetic and linearly polarized along the plane of the storage-ring orbit. The emission spectrometer records the entire K-alpha spectrum by dispersing the emitted radiation with a curved Si (111) crystal and detecting the resulting radiation with a resistive anode position sensitive detector; both of which are situated on a Rowland circle. A sample is fixed in position and located in the middle of the Rowland circle. The spectrometer can be positioned to detect fluorescence emitted at 0° and 90° with respect to the polarization/propagation direction of the incident x-rays. In KCl, there was no observable polarization dependence of the emission spectra at the chlorine edge and a large effect seen in potassium below the ionization threshold. There were also small effects seen in freon-13 when excitations were to Rydberg states.","abstract_html":"The x-ray emission spectrometer was designed to observe the polarization of x-ray fluorescence resulting from the excitation of a sample by synchrotron radiation. The incident photons are intense, monoenergetic and linearly polarized along the plane of the storage-ring orbit. The emission spectrometer records the entire K-alpha spectrum by dispersing the emitted radiation with a curved Si (111) crystal and detecting the resulting radiation with a resistive anode position sensitive detector; both of which are situated on a Rowland circle. A sample is fixed in position and located in the middle of the Rowland circle. The spectrometer can be positioned to detect fluorescence emitted at 0° and 90° with respect to the polarization/propagation direction of the incident x-rays. In KCl, there was no observable polarization dependence of the emission spectra at the chlorine edge and a large effect seen in potassium below the ionization threshold. There were also small effects seen in freon-13 when excitations were to Rydberg states.","abstract_has_math":false,"creators":["Hudson, Amanda C"],"institution":"University of Nevada, Las Vegas","degree_name":"Master of Science (MS)","degree_level":"Thesis","degree_discipline":"Chemistry","degree_department":null,"school":null,"contributors":["Dennis W. Lindle"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2003,"date_issued":"2003-01-01T08:00:00Z","date_published":"2003-01-01T08:00:00Z","updated_at":"2026-07-24T05:25:40Z","subjects":[],"languages":["English"],"rights":["IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://oasis.library.unlv.edu/rtds/1597"],"render_values":[{"text":"https://oasis.library.unlv.edu/rtds/1597","href":"https://oasis.library.unlv.edu/rtds/1597","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.25669/fqe4-ikzi","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Dennis W. 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For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.25669/fqe4-ikzi","https://oasis.library.unlv.edu/rtds/1597","https://oasis.library.unlv.edu/context/rtds/article/2596/viewcontent/uc.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The x-ray emission spectrometer was designed to observe the polarization of x-ray fluorescence resulting from the excitation of a sample by synchrotron radiation. The incident photons are intense, monoenergetic and linearly polarized along the plane of the storage-ring orbit. The emission spectrometer records the entire K-alpha spectrum by dispersing the emitted radiation with a curved Si (111) crystal and detecting the resulting radiation with a resistive anode position sensitive detector; both of which are situated on a Rowland circle. A sample is fixed in position and located in the middle of the Rowland circle. The spectrometer can be positioned to detect fluorescence emitted at 0° and 90° with respect to the polarization/propagation direction of the incident x-rays. In KCl, there was no observable polarization dependence of the emission spectra at the chlorine edge and a large effect seen in potassium below the ionization threshold. There were also small effects seen in freon-13 when excitations were to Rydberg states."]},{"key":"dc:format","label":"Dc Format","values":["pdf"]},{"key":"dc:title","label":"Title","values":["The design and performance of an x-ray emission spectrometer using the polarized Kalpha spectra of chlorine and potassium"]}]}],"canonical_facts":{"dc:contributor":["Dennis W. Lindle"],"dc:creator":["Hudson, Amanda C"],"dc:description.abstract":["The x-ray emission spectrometer was designed to observe the polarization of x-ray fluorescence resulting from the excitation of a sample by synchrotron radiation. The incident photons are intense, monoenergetic and linearly polarized along the plane of the storage-ring orbit. The emission spectrometer records the entire K-alpha spectrum by dispersing the emitted radiation with a curved Si (111) crystal and detecting the resulting radiation with a resistive anode position sensitive detector; both of which are situated on a Rowland circle. A sample is fixed in position and located in the middle of the Rowland circle. The spectrometer can be positioned to detect fluorescence emitted at 0° and 90° with respect to the polarization/propagation direction of the incident x-rays. In KCl, there was no observable polarization dependence of the emission spectra at the chlorine edge and a large effect seen in potassium below the ionization threshold. There were also small effects seen in freon-13 when excitations were to Rydberg states."],"dc:format":["pdf"],"dc:identifier":["10.25669/fqe4-ikzi","https://oasis.library.unlv.edu/rtds/1597","https://oasis.library.unlv.edu/context/rtds/article/2596/viewcontent/uc.pdf"],"dc:language":["English"],"dc:publisher":["University of Nevada, Las Vegas"],"dc:rights":["IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["The design and performance of an x-ray emission spectrometer using the polarized Kalpha spectra of chlorine and potassium"],"dc:type":["Text"],"thesis:degree_discipline":["Chemistry"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["Master of Science (MS)"]},"updated_at":"2026-07-24T05:25:40Z"}