Single crystals of lithium tantalate (LiTaO3) doped with Pr, Nd + Yb and Tm were grown by the Czochralski method. A thermal system with 50 mm diameter iridium crucible and two different afterheaters (active and passive) was checked with respect to temperature distribution in a pulling region. The obtained crystals were up to 20 mm in diameter and up 50 mm in length. Crystals were poled, and the Curie temperature was determined for specimens cut. of from different parts of single crystals. The polarized absorption spectra, time resolved emission spectra and emission lifetime of Pr3+ doped LiTaO3 crystals were measured. An intense emission from the P-3(o) level was observed. Optical properties of the Yb3+ ions excited by energy transfer from Nd3+ ions have been researched for LiTaO3:Nd, Yb crystals.
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Ningbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Key Lab Photoelect Mat & Devices Zhejiang Prov, Ningbo 315211, Zhejiang, Peoples R ChinaNingbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Pan, Shangke
Liu, Wei
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Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201899, Peoples R ChinaNingbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Liu, Wei
Ren, Guohao
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Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201899, Peoples R ChinaNingbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Ren, Guohao
Zhang, Jianyu
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Ningbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R ChinaNingbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Zhang, Jianyu
Pan, Jianguo
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Ningbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Key Lab Photoelect Mat & Devices Zhejiang Prov, Ningbo 315211, Zhejiang, Peoples R ChinaNingbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Pan, Jianguo
Li, Nan
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Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R China
State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R ChinaNingbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Li, Nan
Wu, Zhi
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Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R ChinaNingbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Wu, Zhi
Heng, Yuekun
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Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R ChinaNingbo Univ, Sch Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China