Efficient Long Wave IR Laser from Ho:YAG 2 μm Pumped ZnGeP2 Optical Parametric Oscillator
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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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LI-Gang, YAO Bao-Quan, DUAN Xiao-Ming, ZHU Guo-Li, WANG Yue-Zhu, JUYou-Lun. Efficient Long Wave IR Laser from Ho:YAG 2 μm Pumped ZnGeP2 Optical Parametric Oscillator[J]. Chin. Phys. Lett., 2010, 27(1): 014207. DOI: 10.1088/0256-307X/27/1/014207
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LI-Gang, YAO Bao-Quan, DUAN Xiao-Ming, ZHU Guo-Li, WANG Yue-Zhu, JUYou-Lun. Efficient Long Wave IR Laser from Ho:YAG 2 μm Pumped ZnGeP2 Optical Parametric Oscillator[J]. Chin. Phys. Lett., 2010, 27(1): 014207. DOI: 10.1088/0256-307X/27/1/014207
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LI-Gang, YAO Bao-Quan, DUAN Xiao-Ming, ZHU Guo-Li, WANG Yue-Zhu, JUYou-Lun. Efficient Long Wave IR Laser from Ho:YAG 2 μm Pumped ZnGeP2 Optical Parametric Oscillator[J]. Chin. Phys. Lett., 2010, 27(1): 014207. DOI: 10.1088/0256-307X/27/1/014207
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LI-Gang, YAO Bao-Quan, DUAN Xiao-Ming, ZHU Guo-Li, WANG Yue-Zhu, JUYou-Lun. Efficient Long Wave IR Laser from Ho:YAG 2 μm Pumped ZnGeP2 Optical Parametric Oscillator[J]. Chin. Phys. Lett., 2010, 27(1): 014207. DOI: 10.1088/0256-307X/27/1/014207
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