Optical absorption and emission spectra of Er3+/Yb3+ ions in PLZT (Pb1-xLaxZryTi1-yO3) ceramic have been studied. Based on the Judd-Ofelt (J-O) theory, the J-O intensity parameters were calculated to be Omega(2) = 2.021 x 10(-2)0 cm(2), Omega(4) = 0.423 x 10(-20) cm(2), Omega(6) = 0.051 x 10(-20) cm(2) from the absorption spectrum of Er3+/Yb3+-codoped PLZT, The J-O intensity parameters have been used to calculate the radiative lifetimes and the branching ratios for some excited I-4(13/2), I-4(11/2), I-4(9/2) F-4(9/2), and S-4(3/2) levels of Er3+ ion, The stimulated emission cross-section (8.24 x 10(-21) cm(2)) was evaluated for the I-4(13/2) -> I-4(15/2) transition of Er3+. The upconversion emissions at 538, 564, and 666 mn have been observed in Er3+/Yb3+-codoped PLZT by exciting at 980 rim, and their origins were identified and analyzed. (C) 2007 Elsevier B.V. All rights reserved.
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Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Sun, HT
Zhang, LY
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机构:Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Zhang, LY
Zhao, SL
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机构:Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Zhao, SL
Zhang, JJ
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机构:Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Zhang, JJ
Yu, CL
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机构:Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Yu, CL
He, DB
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机构:Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
He, DB
Duan, ZC
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Duan, ZC
Hu, LL
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机构:Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Hu, LL
Jiang, ZH
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机构:Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
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China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R ChinaChina Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China
Deng, Degang
Xu, Shiqing
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China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R ChinaChina Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China
Xu, Shiqing
Zhao, Shilong
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China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R ChinaChina Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China
Zhao, Shilong
Li, Chenxia
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China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R ChinaChina Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China
Li, Chenxia
Wang, Huanping
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China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R ChinaChina Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China
Wang, Huanping
Ju, Haidong
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China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R ChinaChina Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China
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Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Xu, SQ
Wang, GN
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Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Wang, GN
Dai, SX
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Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Dai, SX
Zhang, JJ
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Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Zhang, JJ
Hu, LL
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Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
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Jiang, ZH
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Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R ChinaChinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China