Rare-earth ion doped TeO2 and GeO2 glasses as laser materials

A Jha, B Richards, G Jose, T Teddy-Fernandez… - Progress in Materials …, 2012 - Elsevier
Germanium oxide (GeO2) and tellurium oxide (TeO2) based glasses are classed as the
heavy metal oxide glasses, with phonon energies ranging between 740cm− 1 and 880cm …

Enriched green upconversion emission in combustion synthesized Y2O3: Ho3+–Yb3+ phosphor

A Pandey, VK Rai, R Dey, K Kumar - Materials Chemistry and Physics, 2013 - Elsevier
Ho3+ and Yb3+ co-doped Y2O3 phosphor has been prepared by the combustion route and
its upconversion emission has been studied by using a 980 nm diode laser excitation. The …

UV/visible/NIR sensitized enhanced green luminescence of a newly synthesized salicylic acid coated Tb3+ and Yb3+ ions doped Y2O3 nano-composite phosphor …

NK Giri, V Misra, SK Yadav, H Mishra - Optical Materials, 2023 - Elsevier
The present work describes the enhancement of green luminescence of Tb 3+ ion in a newly
synthesized composite material that contains Tb 3+ and Yb 3+ ions in Y 2 O 3 nano …

Enhanced mid-infrared 2.7 μm luminescence in low hydroxide bismuth-germanate glass and optical fiber co-doped with Er3+/Yb3+ ions

T Ragin, J Zmojda, M Kochanowicz, P Miluski… - Journal of Non …, 2017 - Elsevier
In this article, low hydroxide bismuth-germanate glasses doped with Er 3+ and co-doped
with Er 3+/Yb 3+ ions have been synthesized. The fabricated host was characterized by high …

Influence of Li+ codoping on visible emission of Y2O3: Tb3+, Yb3+ phosphor

A Pandey, VK Rai, K Kumar - Spectrochimica Acta Part A: Molecular and …, 2014 - Elsevier
Upon 980 nm diode laser excitation visible upconversion emission from the Tb 3+ ions has
been observed in combustion synthesized Tb 3+–Yb 3+ codoped Y 2 O 3 phosphor. The …

Cooperative energy transfer in Eu3+, Yb3+ codoped Y2O3 phosphor

W Xiantao, Z Jiangbo, W Zhang, L Yong, Y Min - Journal of Rare Earths, 2010 - Elsevier
Under 980 nm laser excitation, red emission (5D0–7FJ (J= 0, 1, 2)) of Eu3+ was observed in
cubic Y2O3 codoped with Eu3+ and Yb3+. The dependence of the upconverted emission on …

Up-conversion luminescence of Tb3+ ions in germanate glasses under diode-laser excitation of Yb3+

M Kochanowicz, D Dorosz, J Zmojda… - Optical Materials …, 2014 - opg.optica.org
Up-conversion luminescence processes of Tb^ 3+ ions in GeO_2-Ga_2O_3-BaO glass
system were investigated under diode-laser excitation of Yb^ 3+. Emission bands at 489 …

Green up-conversion in Yb3+–Tb3+ and Yb3+–Tm3+–Tb3+ doped fluoro-germanate bulk glass and fibre

V Scarnera, B Richards, A Jha, G Jose, C Stacey - Optical Materials, 2010 - Elsevier
Yb3+–Tb3+ and Yb3+–Tm3+–Tb3+ doped fluoro-germanate glass samples were fabricated
in bulk and fibre form. Bright up-conversion has been obtained by exciting the samples with …

Multicolor upconversion luminescence from RE3+-Yb3+ (RE= Er, Tm, Tb) codoped LaAlGe2O7 glasses

J Ding, Q Zhang, J Cheng, X Liu, G Lin, J Qiu… - Journal of alloys and …, 2010 - Elsevier
RE3+-Yb3+ (RE= Er, Tm, and Tb) codoped lanthanum aluminum germanate LaAlGe2O7
(LAG) glasses are prepared by melt-quenching method. The blank LAG glass has good …

Investigation of structural properties and its effect on optical properties: Yb3+/Tb3+ codoped in aluminum silicate glass

RK Verma, DK Rai, SB Rai - Journal of Alloys and Compounds, 2011 - Elsevier
Yb3+ doped and Yb3+/Tb3+ codoped aluminum silicate glass with good transparency has
been synthesized using the sol–gel process. X-ray diffraction (XRD), scanning electron …