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Proceedings Paper

2.94 μm diode side pumped ErYAG laser
Author(s): Zhi Xu; Pengyuan Wang; Wanfa Liu; Yimin Li; Baodong Gai; Yannan Tan; Chunyan Jia; Jingwei Guo
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Paper Abstract

We have demonstrated an average output power of 10 W quasi-continuous-wave mid-infrared laser at 2.94 μm from a diode laser (LD) side-pumped Er-doped yttrium aluminum garnet (YAG) crystal. The Er:YAG crystal was composed of Er-doped (50% doped) (YAG) bonded to undoped YAG. The LD was operated at a repetition rate of 150Hz and a pulse-width of 300 μs. The optical-optical conversion efficiency and the slope efficiency were 5.6% and 9.1%, respectively. The slope efficiency was not saturation yet, a higher output power can be expected with a higher LD pump power and colder temperature of the Er:YAG crystal.

Paper Details

Date Published: 13 January 2017
PDF: 6 pages
Proc. SPIE 10254, XXI International Symposium on High Power Laser Systems and Applications 2016, 102540F (13 January 2017); doi: 10.1117/12.2257652
Show Author Affiliations
Zhi Xu, Dalian Institute of Chemical Physics (China)
Pengyuan Wang, Dalian Institute of Chemical Physics (China)
Wanfa Liu, Dalian Institute of Chemical Physics (China)
Yimin Li, Dalian Institute of Chemical Physics (China)
Baodong Gai, Dalian Institute of Chemical Physics (China)
Yannan Tan, Dalian Institute of Chemical Physics (China)
Chunyan Jia, Dalian Institute of Chemical Physics (China)
Jingwei Guo, Dalian Institute of Chemical Physics (China)


Published in SPIE Proceedings Vol. 10254:
XXI International Symposium on High Power Laser Systems and Applications 2016
Dieter Schuoecker; Richard Majer; Julia Brunnbauer, Editor(s)

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