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Title: Crystal growth and spectroscopic characterization of Tm3+-doped KYb(WO4)2 single crystals.
Author: Pujol Baigés, Maria Cinta
Güell Vilà, Frank
Mateos Ferré, Xavier
Gavaldà, Josefina
Solé i Cartañá, Rosa Ma.
Massons, Jaume
Díaz, Francesc (Díaz González)
Boulon, G.
Brenier, A.
Aguiló Díaz, Magdalena
Keywords: Matèria condensada
Propietats òptiques
Optical properties
Condensed matter
Materials science
Issue Date: 2002
Publisher: The American Physical Society
Abstract: In this paper we present the crystal growth and optical characterization of thulium-doped KYb(WO4)2 ~hereafter KYbW!. We grew thulium-doped KYbW monoclinic single crystals with optimal crystalline quality by the top-seeded-solution-growth ~TSSG! slow-cooling method. Thulium spectroscopy was characterized in this host. The Judd-Ofelt parameters determined were V250.14310220 cm2, V450.21310220 cm2, and V650.10310220 cm2. The room temperature lifetimes measured for KYbW:Tm 1% were t(1G4) 560–70 ms, t(3H4)590 ms and t(3F4)5200 ms. We calculated the emission cross section for several channels. There was an important blue emission after pumping resonantly to the stoichiometric ytterbium at 980 nm, and we studied the emission channels of thulium. The presence of thulium luminescence is proof of the large transfer of energy in this compound.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review B, 2002, vol. 66, núm. 14, p. 144304
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ISSN: 0163-1829
Appears in Collections:Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)

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