Thermal, Spectra and Laser Properties of Yb:Tungsten-Zinc-Lanthanum-Tellurite Glasses for Laser

Abstract

Abstract: A series of new muti-conponent glasses of 70TeO₂-(20-x)ZnO-xWO₃-5La₂O₃-2.5K₂O-2.5Na₂O-1Yb₂O₃
(x=0,5,10,15,20mol%) were presented. Thermal stability of the system, spectra and laser properties of Yb³⁺ ions were measured. The result shows that the composition glass of x=15mol% has good thermal stability
((T_x-T_g)=163℃), high absorption and stimulated emission cross-section respectively of 1.80 and 1.32pm² for the ²F_5/2→²F_7/2 transition and exists measured fluorescence lifetime of 0.93ms, the broad fluorescence effective linewidth of 74.5nm and minimize pump
intensity of 0.92kWcm^-2. Evaluated from the good potential laser parameters, it is desirable for high-average power and short pulse tunable
laser.

Key words: Yb³⁺-doped tellurite glass, spectroscopic property, thermal stability

CLC Number:

TQ171

WANG Guo-Nian,DAI Shi-Xun,YANG Jian-Hu,ZHANG Jun-Jie,JIANG Zhong-Hong. Thermal, Spectra and Laser Properties of Yb:Tungsten-Zinc-Lanthanum-Tellurite Glasses for Laser[J]. Journal of Inorganic Materials.

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Thermal, Spectra and Laser Properties of Yb:Tungsten-Zinc-Lanthanum-Tellurite Glasses for Laser

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