High Efficiency Continuous-Wave Tm:Ho:GdVO4 Laser Pumped by a Diode
YAO Bao-Quan, HE Wan-Jun, WANG Yue-Zhu, ZHANG Xing-Bao, LI Yu-Feng
National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
High Efficiency Continuous-Wave Tm:Ho:GdVO4 Laser Pumped by a Diode
YAO Bao-Quan;HE Wan-Jun;WANG Yue-Zhu;ZHANG Xing-Bao;LI Yu-Feng
National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
关键词 ：
42.55.Xi ,
42.60.Pk
Abstract ： We report a high efficiency cw diode-pumped cryogenic Tm(5at.%), Ho(0.5at.%):GdVO4 laser. The pumping source is a fibre-coupled laser diode with fibre core diameter of 0.4mm and numerical aperture of 0.3, supplying power 14.8W at 793.6nm. For input pump power of 13.6W at 794.2nm, the maximum output power of 4.2W, optical-to-optical conversion efficiency of 31% and slope efficiency 38% have been attained at 2.0485μm. To our knowledge, the operating performance is the best among the previously reported Tm:Ho:GdVO4 lasers. We also analyse the influence of pump wavelengths (from 792 nm to 794.2 nm) on the output power, the optical-to-optical conversion efficiency increases with the longer pump wavelength which is closer to the absorption peak of 797 nm in Tm,Ho:GdVO4 .
Key words ：
42.55.Xi
42.60.Pk
出版日期: 2004-11-01
引用本文:
YAO Bao-Quan;HE Wan-Jun;WANG Yue-Zhu;ZHANG Xing-Bao;LI Yu-Feng. High Efficiency Continuous-Wave Tm:Ho:GdVO4 Laser Pumped by a Diode[J]. 中国物理快报, 2004, 21(11): 2182-2183.
4 Laser Pumped by a Diode. Chin. Phys. Lett., 2004, 21(11): 2182-2183.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2004/V21/I11/2182
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2004, Vol. 21 
