Chin. Phys. Lett.  2001, Vol. 18 Issue (9): 1205-1207    DOI:
Original Articles |
Enhancement of Er3+ Luminescence in LiNbO3:Mg Crystals
ZHAO Li-Juan1,2;YANG Jian1;XU Jing-Jun1;HUANG Hui1;ZHANG Guang-Yin1,2
1Photonics Research Center, College of Physical Science, Nankai University, Tianjin 300071 2State Key Laboratory of Rare Earth Materials Chemistry and Applications, Beijing University, Beijing 100871
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ZHAO Li-Juan, YANG Jian, XU Jing-Jun et al  2001 Chin. Phys. Lett. 18 1205-1207
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Abstract The luminescent properties of Er3+ ions in LiNbO3:Er and LiNbO3:Mg,Er crystals at room temperature were investigated by the emission spectra and the selective excitation spectra. The energy transition processes of Er3+ luminescence were analysed. It is found that the luminescent intensity of Er3+ ions in the LiNbO3:Mg,Er crystal is increased up to 7.8 times compared with that in the LiNbO3:Er crystal. Decrease of the defect center (NbLi) concentration due to doping with Mg2+ ions plays a key role in this phenomenon.
Keywords: 33.50.Dq      42.70.Nq      78.20.Ek     
Published: 01 September 2001
PACS:  33.50.Dq (Fluorescence and phosphorescence spectra)  
  42.70.Nq (Other nonlinear optical materials; photorefractive and semiconductor materials)  
  78.20.Ek (Optical activity)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2001/V18/I9/01205
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ZHAO Li-Juan
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