Photoexcitation of rare earth and metal-halide molecules in the ultraviolet
Pommarel, Loann
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https://hdl.handle.net/2142/44200
Description
Title
Photoexcitation of rare earth and metal-halide molecules in the ultraviolet
Author(s)
Pommarel, Loann
Issue Date
2013-05-24T21:54:02Z
Director of Research (if dissertation) or Advisor (if thesis)
Eden, James G.
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
Laser
Gain media
Light source
Spectroscopy
Photoexcitation
Photopumping
Fluorescence
Absorption
Rare Earth
Tri-iodide
Salt
Vapor phase
Metal-Halide
Powder
Molecule
Infrared (IR)
Visible
Ultraviolet
Bound-Free transition
Abstract
In the search for new sources of light and gain media for lasers, lanthanide fluoride powders and rare earth tri-iodide salts in vapor phase have been studied spectroscopically by photopumping in the ultraviolet. Knowing the spectral response of these molecules with respect to incident light and understanding the energy level structure entailed would be useful to establish their suitability for lighting or lasing. This thesis describes the spectroscopic experiments performed, reports the measured data and analyzes them.
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