Chin. Phys. Lett.  2003, Vol. 20 Issue (8): 1344-1346    DOI:
Original Articles |
High Efficiency Infrared to Visible Upconversion in Er3+/Yb3+-Doped Lead Halide Tellurite Glass
ZHANG Li-Yan1,2;YANG Jian-Hu1;HU Li-Li1;JIANG Zhong-Hong1
1Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800 2School of Materials Science and Engineering, Jinan University, Jinan 250022
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ZHANG Li-Yan, YANG Jian-Hu, HU Li-Li et al  2003 Chin. Phys. Lett. 20 1344-1346
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Abstract Strong upconversion luminescence of Er3+/Yb3+-doped lead halide tellurite glass under 976 nm excitation is demonstrated. Three emission bands centered at 525 nm, 545 nm, and 655 nm resulting from the transitions from the excited states 2H11/2, 4S3/2, and 4F9/2 to the ground state 4I15/2, respectively, are observed even at 60 mW pumping power. The power dependent intensity and the upconversion mechanisms responsible for the luminescences are evaluated and discussed. The obtained results might provide useful information for the developments of upconversion lasers.
Keywords: 73.43.Fj      74.25.Gz      73.61.Jc      78.20.-e     
Published: 01 August 2003
PACS:  73.43.Fj (Novel experimental methods; measurements)  
  74.25.Gz (Optical properties)  
  73.61.Jc (Amorphous semiconductors; glasses)  
  78.20.-e (Optical properties of bulk materials and thin films)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I8/01344
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