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Chin. Phys., 2005, Vol. 14(11): 2246-2250    DOI: 10.1088/1009-1963/14/11/018
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

Host dependent thermal stability and frequency upconversion of Er3+-doped heavy metal xyfluoride germanate glasses

Fang Da-Weia, Zhang Zai-Xuana, Zhao Shi-Longa, Zhang Li-Yana, Wang Bao-Linga, Xu Shi-Qingb, Jiang Zhong-Hongc
a College of Information Engineering, China Jiliang University, Hangzhou 310018, China; b College of Information Engineering, China Jiliang University, Hangzhou 310018, China;Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;Graduate School of Chinese Academy of Sciences, Beijing 100039, China; c Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Abstract  The upconversion properties of Er3+-doped heavy metal oxyfluoride germanate glasses under 975\,nm excitation have been investigated. The intense green (551 and 529\,nm) and relatively weak red (657\,nm) emissions corresponding to the transitions 4S3/2 \to 4I15/2,2H11/2\to 4I15/2 and 4F9/2 \to 4I15/2, respectively, were simultaneously observed at room temperature. The content of PbF2 has an important influence on the upconversion luminescence emission. With increasing content of PbF2, the intensities of green (529\,nm) and red (657\,nm) emissions increase slightly, while the green emission (551\,nm) increases markedly. These results suggest that PbF2 has an influence on the green (551\,nm) emission more than on the green (529\,nm) and red (657\,nm) emissions.
Keywords:  Raman spectroscopy      optical properties      optical materials      glass      infrared spectroscopy  
Received:  19 December 2004      Revised:  16 July 2005      Published:  20 November 2005
PACS:  78.30.Ly (Disordered solids)  
  78.40.Pg (Disordered solids)  
  78.60.-b (Other luminescence and radiative recombination)  
  64.70.P- (Glass transitions of specific systems)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 60207006).

Cite this article: 

Fang Da-Wei, Zhang Zai-Xuan, Zhao Shi-Long, Zhang Li-Yan, Wang Bao-Ling, Xu Shi-Qing, Jiang Zhong-Hong Host dependent thermal stability and frequency upconversion of Er3+-doped heavy metal xyfluoride germanate glasses 2005 Chin. Phys. 14 2246

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