%0 Journal Article %1 WOS:000240706000039 %A Pilla, V %A Chillcce, E F %A Rodriguez, E %A Catunda, T %A Munin, E %A Cesar, C L %A Barbosa, L C %C PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS %D 2006 %I ELSEVIER SCIENCE BV %J JOURNAL OF NON-CRYSTALLINE SOLIDS %K absorption; luminescence; spectroscopy; tellurite} {optical %N 32-35 %P 3598-3602 %R 10.1016/j.jnoncrysol.2006.03.090 %T Thermo-optical properties and nonradiative quantum efficiency of Er3+-doped and Er3+/Tm3+-co-doped tellurite glasses %V 352 %X Thermal lens (TL) measurements were performed in tellurite glasses, 70TeO(2)-19WO(3)-7Na(2)O-4Nb(2)O(5) (mol%), undoped, doped with Er3+ (1.19 x 10(20) ions/cm(3)) and co-doped with Er3+ (1.19 x 10(20) ions/cm(3))/Tm3+ (1.56 x 10(20) ions/cm(3)). The absolute nonradiative quantum efficiency (phi) was determined by the TL method. The phi values for Er3+/Tm3+-co-doped and Er3+-doped tellurite glasses were 0.98 and 0.74, respectively. Fluorescence spectra were performed at lambda(e) = 488 nm and used to estimate the fluorescence quantum efficiency (eta) using the TL results. These values were compared with results obtained by Judd-Ofelt calculations. (c) 2006 Elsevier B.V. All rights reserved.

@article{WOS:000240706000039, abstract = {Thermal lens (TL) measurements were performed in tellurite glasses, 70TeO(2)-19WO(3)-7Na(2)O-4Nb(2)O(5) (mol%), undoped, doped with Er3+ (1.19 x 10(20) ions/cm(3)) and co-doped with Er3+ (1.19 x 10(20) ions/cm(3))/Tm3+ (1.56 x 10(20) ions/cm(3)). The absolute nonradiative quantum efficiency (phi) was determined by the TL method. The phi values for Er3+/Tm3+-co-doped and Er3+-doped tellurite glasses were 0.98 and 0.74, respectively. Fluorescence spectra were performed at lambda(e) = 488 nm and used to estimate the fluorescence quantum efficiency (eta) using the TL results. These values were compared with results obtained by Judd-Ofelt calculations. (c) 2006 Elsevier B.V. All rights reserved.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}, author = {Pilla, V and Chillcce, E F and Rodriguez, E and Catunda, T and Munin, E and Cesar, C L and Barbosa, L C}, biburl = {https://www.bibsonomy.org/bibtex/2c8c1546e0128dc154985690d787bdbbc/ppgfis_ufc_br}, doi = {10.1016/j.jnoncrysol.2006.03.090}, interhash = {cb5b84b65d83c78aaed7117d008a8ef2}, intrahash = {c8c1546e0128dc154985690d787bdbbc}, issn = {0022-3093}, journal = {JOURNAL OF NON-CRYSTALLINE SOLIDS}, keywords = {absorption; luminescence; spectroscopy; tellurite} {optical}, note = {7th Brazilian Symposium on Glasses and Related Materials/3rd International Symposium on Non-Crystalline Solids in Brazil, Maringa, BRAZIL, NOV 13-16, 2005}, number = {32-35}, organization = {Natl Council Sci & Technol Dev; CNPq; Brazilian Innvovat Agcy; FINEP; CAPES Fdn; Parana Fdn; Fund Araucar}, pages = {3598-3602}, publisher = {ELSEVIER SCIENCE BV}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Thermo-optical properties and nonradiative quantum efficiency of Er3+-doped and Er3+/Tm3+-co-doped tellurite glasses}, tppubtype = {article}, volume = 352, year = 2006 }