Transparent Yb doped YAG, YSAG and YaLaO3 ceramics are fabricated by using the co-precipitation method. The spectral properties and thermal parameters of these Yb doped cubic phase transparent ceramics are compared, a...Transparent Yb doped YAG, YSAG and YaLaO3 ceramics are fabricated by using the co-precipitation method. The spectral properties and thermal parameters of these Yb doped cubic phase transparent ceramics are compared, and their different and potential applications are also analysed. The absorption cross-section and the emission cross-section of these ceramics are measured and calculated. The essential properties of these materials especially for the rep-rated pulsed high-energy diode-pumped solid-state lasers are investigated. The results show that Yb doped YAG, YSAG and YaLaO3 are all suitable materials used for diode-pumped solid-state lasers.展开更多
Transparent Nd:YAG/YAG composite ceramics are synthesized by solid-state reaction method using high- purity Y203, A1203, and Nd203 powders as raw materials. The mixed powder compacts are sintered at 1780 ℃ for 10 h ...Transparent Nd:YAG/YAG composite ceramics are synthesized by solid-state reaction method using high- purity Y203, A1203, and Nd203 powders as raw materials. The mixed powder compacts are sintered at 1780 ℃ for 10 h under vacuum and annealed at 1450 ~C for 20 h in air. The Nd:YAG/YAG ceramics exhibit a pore free structure with an average grain size of about 30 μm. The microstructure of the Nd:YAG/YAG composite transparent ceramics is studied and there is no interface between Nd:YAG and YAG ceramics. The Nd ion distribution in one grain is also studied, which shows that there is no segregation of Nd ions as in Nd:YAG crystals.展开更多
基金supported by National Science Foundation for Post-doctoral Scientists of China (Grant No 20070420677)Applied Basic Research Program of Sciences and Technology Commission Foundation of Shanghai,China (Grant No 06DZ11417)High Technology Research and Development Program of China (Grant No 2007AA03Z523)
文摘Transparent Yb doped YAG, YSAG and YaLaO3 ceramics are fabricated by using the co-precipitation method. The spectral properties and thermal parameters of these Yb doped cubic phase transparent ceramics are compared, and their different and potential applications are also analysed. The absorption cross-section and the emission cross-section of these ceramics are measured and calculated. The essential properties of these materials especially for the rep-rated pulsed high-energy diode-pumped solid-state lasers are investigated. The results show that Yb doped YAG, YSAG and YaLaO3 are all suitable materials used for diode-pumped solid-state lasers.
基金supported by the 42nd China Postdoctoral Science Foundationthe Applied Basic Research Program of Sciences and Technology Commission Foundation of Shanghai (No.06DZ11417)the National "863" Program of China (No.2007AA03Z523)
文摘Transparent Nd:YAG/YAG composite ceramics are synthesized by solid-state reaction method using high- purity Y203, A1203, and Nd203 powders as raw materials. The mixed powder compacts are sintered at 1780 ℃ for 10 h under vacuum and annealed at 1450 ~C for 20 h in air. The Nd:YAG/YAG ceramics exhibit a pore free structure with an average grain size of about 30 μm. The microstructure of the Nd:YAG/YAG composite transparent ceramics is studied and there is no interface between Nd:YAG and YAG ceramics. The Nd ion distribution in one grain is also studied, which shows that there is no segregation of Nd ions as in Nd:YAG crystals.