Chin. Phys. Lett.  2006, Vol. 23 Issue (7): 1915-1918    DOI:
Original Articles |
Optical Properties of Pr3+-Doped Y2SiO5 Crystals
SUN Cheng-Lin1;LI Jian-Fu2,3;HU Chang-Hong1;JIANG Zhan-Kui1,2
1Department of Physics, Jilin University, Changchun 130021 2Department of Physics, Yantai University, Yantai 246005 3Department of Physics, Linyi Normal University, Linyi 276000
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SUN Cheng-Lin, LI Jian-Fu, HU Chang-Hong et al  2006 Chin. Phys. Lett. 23 1915-1918
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Abstract Optical properties of Pr3+ doped in Y2SiO5, including absorption spectra, emission spectra, and fluorescence decay, have been investigated with a special attention in the UV region. Broad band (270--350nm) UV fluorescence assigned to the transitions 4f5d → 4f2 3HJ, 3FJ is found. The spontaneous transition probabilities in the 4f2 intraconfiguration are calculated by utilizing the Judd--Ofelt theory, by which three phenomenological parameters (Ω2, Ω4, Ω6,) are obtained by fitting the absorption spectra. For the evaluation of transition probability of the interconfiguration 4f5d → 4f2, a formula for electric dipole transition is employed. In comparison of the measured fluorescence lifetime with the calculated spontaneous radiative lifetime, the fluorescence quantum efficiency is deduced.
Keywords: 78.20.-e      78.55.Hx      42.70.Hj     
Published: 01 July 2006
PACS:  78.20.-e (Optical properties of bulk materials and thin films)  
  78.55.Hx (Other solid inorganic materials)  
  42.70.Hj (Laser materials)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I7/01915
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