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Zhandos Utegulov

Brillouin, Raman and NMR Characterization of Rare-Earth Doped Glasses


Structure, Properties and Holographic Storage Application
2011. 164 S. 220 mm
Verlag/Jahr: VDM VERLAG DR. MÜLLER 2011
ISBN: 3-639-05390-7 (3639053907)
Neue ISBN: 978-3-639-05390-6 (9783639053906)

Preis und Lieferzeit: Bitte klicken


This book covers experimental results of Brillouin
and Raman light scattering as well as NMR
spectroscopy measurements elucidating structural,
vibrational, elastic, photoelastic and magnetic
properties of europia doped soda magnesia
aluminosilicate glasses as a function of the content
of individual glass components to provide new
knowledge related to the mechanism underlying the
formation of holographic gratings in these materials.
The effect of rare earth oxide doping, alumina and
soda substitution for silica are discussed in terms
of changes in measured hardness, compressibility,
polarizability, polymerization of glass network and
coordination of glass formers. Structural
implications for measured photoelastic constants are
also discussed. The strength of the holographic
storage signal in these photonic glass systems is
analyzed from the view point of variety of important
factors, such as the number of the excited europium
ions, high-energy phonons associated with
Si-nonbridging oxygen vibrations, weakly bound sodium
ions charge balancing tetrahedral alumina complexes
and stability of the traps for mobile light ions.
Dr. Zhandos Utegulov is currently working at University ofNebraska-Lincoln on Brillouin light scattering spectroscopy oforganic crystal structures to study their phononic and opticalproperties. Prior to UNL he was developing surface plasmonenhanced Brillouin spectroscopy at National Institute ofStandards and Technology in Boulder, Coloroado.