# name
Crystal growth and spectroscopic characterization of Tm3+-doped KYb(WO4)2 single crystals.

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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.

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Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.66.144304

# metadata.dc.source[].value
Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)

# metadata.dc.title[].value
Crystal growth and spectroscopic characterization of Tm3+-doped KYb(WO4)2 single crystals.