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Spectroscopic properties of Tm,Ho:LiLuF_4

Spectroscopic properties of Tm,Ho:LiLuF_4
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摘要 LiLuF4 single crystals co-doped with thulium (5%) and holmium (0.5%), having large size, intact shape, and high optical quality, are successfully grown by the Czochralski technique. Absorption and fluorescence spectra of the crystal are measured. The absorption spectrum shows that the main absorption band locates at near 686 and 792 nm and the fluorescence spectrum peaks at 2.05 um. At room temperature, the as-grown Tin, Ho: LiLuF4 single crystals are end-pumped by a fiber-coupled laser diode system with pumping wavelength of 795 nm under CW operations. A power of 50 mw contin- uous laser outout at 2.05-um wavelength is achieved. Meanwhile an obvious green light is detected. LiLuF4 single crystals co-doped with thulium (5%) and holmium (0.5%), having large size, intact shape, and high optical quality, are successfully grown by the Czochralski technique. Absorption and fluorescence spectra of the crystal are measured. The absorption spectrum shows that the main absorption band locates at near 686 and 792 nm and the fluorescence spectrum peaks at 2.05 um. At room temperature, the as-grown Tin, Ho: LiLuF4 single crystals are end-pumped by a fiber-coupled laser diode system with pumping wavelength of 795 nm under CW operations. A power of 50 mw contin- uous laser outout at 2.05-um wavelength is achieved. Meanwhile an obvious green light is detected.
出处 《Chinese Optics Letters》 SCIE EI CAS CSCD 2010年第1期63-65,共3页 中国光学快报(英文版)
基金 supported by the National Natural Science Foundation of China under Grant No.60578044
关键词 ABSORPTION Absorption spectroscopy FLUORESCENCE HOLMIUM Pumping (laser) THULIUM Absorption Absorption spectroscopy Fluorescence Holmium Pumping (laser) Thulium
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