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Spectral properties and energy transfer of Tm^(3+)/Ho^(3+)-codoped Ga_2O_3-Bi_2O_3-GeO_2-PbO glasses 被引量:2

Spectral properties and energy transfer of Tm^(3+)/Ho^(3+)-codoped Ga_2O_3-Bi_2O_3-GeO_2-PbO glasses
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摘要 The 2.0 μm emission originating from Ho^3+:^5I7→^5I8 were investigated upon excitation with 808 nm laser diode (LD) transition in Ho^3+/Tm^3+-codoped gallate-bismuth-germanium-lead glasses Energy transfer (ET) process between Tm^3+: ^3F4 level and Ho^3+: ^5I7 level was also discussed. It was noted that the measured peak wavelength and stimulated emission cross-section of Ho^3+-doped bismuth-germanium-lead glasses were -2.02 μm and 5.1×10^-21 cm^2, respectively. Intense emission of Ho^3+ in Tm^3+/Ho^3+-codoped GBPG glass were observed, which resulted from the ET between Tm^3+: ^3F4 and Ho^3+: ^5I7 level upon excitation with 808 nm LD. The 2.0 μm emission originating from Ho^3+:^5I7→^5I8 were investigated upon excitation with 808 nm laser diode (LD) transition in Ho^3+/Tm^3+-codoped gallate-bismuth-germanium-lead glasses Energy transfer (ET) process between Tm^3+: ^3F4 level and Ho^3+: ^5I7 level was also discussed. It was noted that the measured peak wavelength and stimulated emission cross-section of Ho^3+-doped bismuth-germanium-lead glasses were -2.02 μm and 5.1×10^-21 cm^2, respectively. Intense emission of Ho^3+ in Tm^3+/Ho^3+-codoped GBPG glass were observed, which resulted from the ET between Tm^3+: ^3F4 and Ho^3+: ^5I7 level upon excitation with 808 nm LD.
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 2008年第6期912-914,共3页 稀土学报(英文版)
基金 supported by the National Natural Science Foundation of China (50472053, 50602017) Natural Science Foundation of Guangdong Province (05300221)
关键词 laser glasses rare earths energy transfer LUMINESCENCE laser glasses rare earths energy transfer luminescence
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