Chin. Phys. Lett.  2005, Vol. 22 Issue (1): 80-82    DOI:
Original Articles |
Optical Transition Probability of Nd3+ Ions Doped in Ferroelectric PLZT for Active Electro-Optical Applications
LI Bao-Zeng1;ZHENG Zhi-Qiang1,4;YANG Ji-Wen1;LI Ke-Wen2;Jiang Hua2;CHEN Xue-Sheng3;WANG An-Ting1;XIE Jian-Ping1;MING Hai1
1Department of Physics, University of Science and Technology of China, Hefei 230026 2Boston Applied Technologies, Inc., 150H New Boston Street, Woburn, MA 01801, USA 3Department of Physics and Astronomy, Wheaton College, Norton, MA 02766, USA 4Department of Physics, Fujian Normal University, Fuzhou 350007
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LI Bao-Zeng, ZHENG Zhi-Qiang, YANG Ji-Wen et al  2005 Chin. Phys. Lett. 22 80-82
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Abstract The optical transition probability of Nd3+ (0.5mol%) doped lanthanum-modified lead zirconate titanate (PLZT) is investigated. The absolute intensities of its forced electric dipole transitions between 400nm and 1000nm were measured, from which we obtain three phenomenological parameters, Ω2= 0.787×10-20cm2, Ω4= 1.182×10-20cm2, and Ω6=1.042×10-20cm-20, according to the Judd--Ofelt theory. The radiation lifetime (346.9μs) of the 4F3/2 metastable state, the stimulated emission cross-section σij= (2.49×10-21cm2, 6.51×10-21cm2, 2.17×10-21cm2), and the fluorescence branch ratios are calculated. We also measured the fluorescence lifetime (155.84μs) and calculated the quantum efficiency (46.1%). The analysis reveals that Nd103+-doped PLZT, based on its large electro-optical effect, has potential applications in active optical devices.

Keywords: 32.70.Cs      77.84.Dy      71.20.Eh     
Published: 01 January 2005
PACS:  32.70.Cs (Oscillator strengths, lifetimes, transition moments)  
  77.84.Dy  
  71.20.Eh (Rare earth metals and alloys)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I1/080
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LI Bao-Zeng
ZHENG Zhi-Qiang
YANG Ji-Wen
LI Ke-Wen
Jiang Hua
CHEN Xue-Sheng
WANG An-Ting
XIE Jian-Ping
MING Hai
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