Optical studies of dynamical processes in disordered materials
In general terms, our research activities under the present Agency sponsorship continue to focus on processes and interactions which affect the dynamical behavior of excitations/excited states of optically activated amorphous or disordered solids. The framework of our understanding of these processes has been established with work performed over the past two decades. The advent of more refined spectroscopies, most of them laser based, has allowed a re-examination of these properties in a much more detailed and basic way. A deeper understanding of the interactions which lead to relaxation, energy diffusion and nonlinearities in the disordered phases is important to the development of more efficient and better materials to service all of the technologies which employ optically activated materials. In this document, we will present an abbreviated synopsis of the research we have conducted under the auspices of the present grant. We will then outline directions we wish to maintain and will render descriptions of new opportunities which have ensued from our current efforts and which we wish to exploit under renewed sponsorship. 52 refs., 12 figs.
- Research Organization:
- Georgia Univ., Athens, GA (United States). Research Foundation
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG09-87ER45291
- OSTI ID:
- 6186235
- Report Number(s):
- DOE/ER/45291-5; ON: DE92001814
- Country of Publication:
- United States
- Language:
- English
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36 MATERIALS SCIENCE
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
CERAMICS
LASER SPECTROSCOPY
OPTICAL PROPERTIES
GLASS
AMORPHOUS STATE
CHROMIUM IONS
FLUORESCENCE SPECTROSCOPY
MULLITE
NICKEL IONS
OPTICAL FIBERS
PROGRESS REPORT
RELAXATION
SCANDIUM OXIDES
SOLIDS
YTTRIUM OXIDES
CHALCOGENIDES
CHARGED PARTICLES
DOCUMENT TYPES
EMISSION SPECTROSCOPY
FIBERS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
IONS
MATERIALS
MINERALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SCANDIUM COMPOUNDS
SPECTROSCOPY
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
665000* - Physics of Condensed Matter- (1992-)
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400102 - Chemical & Spectral Procedures