Chinese Optics Letters, 2010, 8 (1): 63, Published Online: Mar. 1, 2010  

Spectroscopic properties of Tm, Ho:LiLuF4 Download: 1182次

Author Affiliations
1 Key Laboratory of Material Science and Technology for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 Graduate School of Chinese Academy of Sciences, Beijing 100049, China
3 Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Abstract
LiLuF<sub>4</sub> 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 °uorescence spectrum peaks at 2.05 \mu m. At room temperature, the as-grown Tm, Ho: LiLuF<sub>4</sub> 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 continuous laser output at 2.05 \mu m wavelength is achieved. Meanwhile an obvious green light is detected.

Haiyan Peng, Kun Zhang, Lianhan Zhang, Yin Hang, Jianqiu Xu, Yulong Tang, Yan Cheng, Jing Xiong, Chengchun Zhao, Guangzhu Chen, Xiaoming He. Spectroscopic properties of Tm, Ho:LiLuF4[J]. Chinese Optics Letters, 2010, 8(1): 63.

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