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ON HIGH-RESOLUTION SPECTROSCOPY: THEORY AND EXPERIMENTVan Stryland, Eric William, 1947- January 1976 (has links)
No description available.
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Sensitive doppler-free high-resolution spectroscopy based on laser wave mixing for hyperfine structure analysis and trace-concentration detection /Mickadeit, Fritz Karl Matthew. January 2001 (has links)
Thesis (Ph. D.)--University of California, San Diego, 2001. / Vita. Includes bibliographical references (leaves 195-203).
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Sensitive absorption-based laser wave-mixing spectroscopic methods in microsystems for biomedical applications /Lopez, Mirna Maritza, January 2004 (has links)
Thesis (Ph. D.)--University of California, San Diego, and San Diego State University, 2004. / Vita. Includes bibliographical references (leaves 215-217).
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Studies of stimulated emission of radiationCole, J. B. January 1970 (has links)
No description available.
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High resolution spectroscopy of free radicals梁韻詩, Leung, Wan-sze. January 1998 (has links)
published_or_final_version / Chemistry / Doctoral / Doctor of Philosophy
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High resolution spectroscopic studies of ����S�����O��� and �����S�����O���Barber, Jeffrey 28 April 2003 (has links)
Graduation date: 2003
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A high-resolution study of the electronic structure of NbSe3 in normal and charge density wave states with angle resolved photoemission spectroscopy /Rocha, Matthew Paul, January 2003 (has links)
Thesis (Ph. D.)--University of Oregon, 2003. / Typescript. Includes vita and abstract. Includes bibliographical references (leaves 166-167). Also available for download via the World Wide Web; free to University of Oregon users.
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New devices and techniques for high resolution astronomical spectroscopy and a new study of old stars /Keller, Luke David, January 1999 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 1999. / Vita. Includes bibliographical references (leaves 110-113). Available also in a digital version from Dissertation Abstracts.
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High resolution spectroscopy of scandium monohalidesXia, Ye, 夏晔 January 2012 (has links)
This thesis reports the study of the molecular and electronic structure of scandium monohalides using the technique of laser ablation/reaction with supersonic free jet expansion used for producing the target molecules and laser induced fluorescence (LIF) spectroscopy for recording their electronic transition spectrum. The scandium diatomic molecules studied in this work were scandium monoiodide (ScI) and scandium monobromide (ScBr), which were produced by the reaction of Sc atoms with 2% CH3I and 2% C2H5Br gases seeded in Ar carrier gas, respectively. The LIF spectrum of the electronic transition of ScI and ScBr were recorded in the visible and near infrared spectral region between 613 and 854 nm. The analysis of the high resolution electronic spectra of ScI and ScBr yielded molecular constants and information of electronic structures. For all the transition bands observed, rotationally-resolved transition lines were fit to a theoretical model to retrieve molecular constants for both upper and lower electronic states.
For the ScI molecule, seven vibrational bands of the D1П –X^1 Σ^+ system were recorded and analyzed. Accurate molecular constants for the v = 0 – 2 levels of the D^1П state and the v = 0 – 3 levels of the X^1 Σ^+ state were obtained. The equilibrium bond lengths, re (Å), for the electronic states of ScI were determined as follows:
ScI X^1 Σ^+ D^1П
r_e(Å) 2.6078 2.7146
For the ScBr molecule, three electronic transition systems were recorded and analyzed, which include six vibrational bands of the C^1 Σ^+– X^1 Σ^+ system, seven vibrational bands of the e^3Δ–a^3Δsystem and two vibrational bands of the d3Φ – a3Δ system. Rotationally resolved transition lines of both Sc79Br and Sc81Br isotopes were observed and analyzed. Least-squares fitting of the measured line positions yielded accurate molecular constants for the v = 0 – 2 levels of the X^1 Σ^+ state, the v = 0 – 3 levels of the C^1 Σ^+ state, the v = 0 and 1 levels of the d3Φ state and the v = 0 – 2 levels of both e3Δ and a3Δ states, respectively. The equilibrium bond lengths, re (Å), determined for electronic states of ScBr are given as follows:
ScBr X^1 Σ^+ a^3Δ C^1 Σ^+
r_e(Å) 2.3806 2.4767 2.4776
A molecular orbital (MO) energy level diagram has been used to examine the electronic configurations giving rise to the different observed electronic states of ScI and ScBr. An attempt has been made to put the MOs of all the scandium monohalides under a single picture. A comparison of the molecular constants for the different electronic states of scandium monohalides indicates a weakening of the chemical bonding between the scandium atom and the halogen atoms down the group. / published_or_final_version / Chemistry / Doctoral / Doctor of Philosophy
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High resolution spectroscopy of free radicals /Leung, Wan-sze. January 1998 (has links)
Thesis (Ph. D.)--University of Hong Kong, 1998. / Includes bibliographical references.
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