Efficient Long Wave IR Laser from Ho:YAG 2 μm Pumped ZnGeP<sub>2</sub> Optical Parametric Oscillator
Li-Gang; Yao Bao-Quan; Duan Xiao-Ming; Zhu Guo-Li; Wang Yue-Zhu; Ju You-Lun; Li-Gang; National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001; Yao Bao-Quan; National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001; Duan Xiao-Ming; National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001; Zhu Guo-Li; National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001; Wang Yue-Zhu; National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001; Ju You-Lun; National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
Журнал:
Chinese Physics Letters
Дата:
2010-01-01
Аннотация:
An efficient high power long wave infrared laser based on ZnGeP<sub>2</sub> optical parametric oscillator pumped by a 2.09 μm Tm:YLF/Ho:YAG laser at 10KHz pulse repetition rate is reported. The pump to idler conversion efficiency is 8% at 15.6 W Ho pump power level and a quantum efficiency of 31 % when the 1'idler wavelength is tuned at 8.08 μm. The wavelength tuning range from 8–9.1 μm is also achieved by rotating the ZGP crystal.
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