Chin. Phys. Lett.  2004, Vol. 21 Issue (1): 173-175    DOI:
Original Articles |
Thermal Stability and Spectroscopic Properties of Yb:Zinc-Tungsten-Tellurite Glass
WANG Guo-Nian;XU Shi-Qing;YANG Jian-Hu;DAI Shi-Xun;ZHANG Jun-Jie;HU Li-Li;JIANG Zhong-Hong
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
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WANG Guo-Nian, XU Shi-Qing, YANG Jian-Hu et al  2004 Chin. Phys. Lett. 21 173-175
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Abstract New multi-component Yb:zinc--tungsten--tellurite glasses (70TeO2-(20-x) ZnO-xWO3-5La2O3-2.5 K2O-2.5Na2O-1.0 Yb2O3 (x = 0, 15 mol%) have been presented. Thermal stability and spectroscopic properties of Yb3+ ions have been measured. The results show that TZW2 glass (x = 15 mol%) has thermal stability (Tx - Tg > 160°C with Tx being the onset crystallization temperature and Tg the glass transition temperature) better than TZN glass and that the stimulated emission cross-section of 1.32 pm2 for the 2F5/22F7/2 transition is higher than other laser glasses (QX, ADY, LY and FP), with the measured fluorescence lifetime of 0.93 ms and the broad fluorescence effective linewidth of 74.5 nm. Evaluated from the good potential laser parameters, TZW2 glass with both the minimum pump intensity (0.92 kW/cm2) and gain parameter (1.23 pm2ms) is promising for miniature solid fibre lasers or high-peak power lasers, as well as tunable lasers.


Keywords: 73.43.Fj      74.25.Gz      73.61.Jc      76.30.Kg     
Published: 01 January 2004
PACS:  73.43.Fj (Novel experimental methods; measurements)  
  74.25.Gz (Optical properties)  
  73.61.Jc (Amorphous semiconductors; glasses)  
  76.30.Kg (Rare-earth ions and impurities)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2004/V21/I1/0173
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WANG Guo-Nian
XU Shi-Qing
YANG Jian-Hu
DAI Shi-Xun
ZHANG Jun-Jie
HU Li-Li
JIANG Zhong-Hong
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