| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Efficient Long Wave IR Laser from Ho:YAG 2 μm Pumped ZnGeP2 Optical Parametric Oscillator |
LI-Gang, YAO Bao-Quan, DUAN Xiao-Ming, ZHU Guo-Li, WANG Yue-Zhu, JU
You-Lun |
| National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001 |
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| Cite this article: |
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LI-Gang, YAO Bao-Quan, DUAN Xiao-Ming et al 2010 Chin. Phys. Lett. 27 014207 |
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Abstract An efficient high power long wave infrared laser based on ZnGeP2 optical parametric oscillator pumped by a 2.09μm Tm:YLF/Ho:YAG laser at 10KHz pulse repetition rate is reported. The pump to idler conversion efficiency is 8% at 15.6W Ho pump power level and a quantum efficiency of 31% when the 1`idler wavelength is tuned at 8.08μm. The wavelength tuning range from 8-9.1μm is also achieved by rotating the ZGP crystal.
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| Keywords:
42.55.Xi
42.60.Gd
42.65.Yj
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Received: 27 September 2009
Published: 30 December 2009
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