Application of time-of-flight velocity selection to metastable de-excitation spectroscopy

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dc.contributor.advisorDunning, F. B.en_US
dc.creatorButler, William Hollisen_US
dc.date.accessioned2009-06-04T00:27:52Zen_US
dc.date.available2009-06-04T00:27:52Zen_US
dc.date.issued1988en_US
dc.description.abstractPrevious experiments have shown that Metastable De-excitation Spectroscopy (MDS) provides a valuable probe of surface electronic and magnetic structure. Spin labelling of the excited electron can yield additional information about the de-excitation mechanisms. In such experiments, neon ($\sp3$P$\sb2$) and argon ($\sp3$P$\sb2$) metastable atoms are spin-labelled (polarized) by laser optical pumping, and their polarization measured by a Stern-Gerlach analyzer. In the present work, a Time-of-Flight (TOF) velocity selection capability has been implemented in an existing MDS apparatus to permit accurate determination of the metastable atom polarization achieved by optical pumping. The data show that polarizations in excess of 85% and 92% may be obtained for Ne ($\sp3$P$\sb2$) and Ar ($\sp3$P$\sb2$), respectively. TOF techniques are also used to investigate the velocity distribution of metastable atoms in the beam, and to eliminate spurious signals due to photon-surface interactions.en_US
dc.format.extent61 p.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.callnoThesis Phys. 1988 Butleren_US
dc.identifier.citationButler, William Hollis. "Application of time-of-flight velocity selection to metastable de-excitation spectroscopy." (1988) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/13274">https://hdl.handle.net/1911/13274</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/13274en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectAtomic physicsen_US
dc.subjectCondensed matter physicsen_US
dc.titleApplication of time-of-flight velocity selection to metastable de-excitation spectroscopyen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentPhysicsen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Artsen_US
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