A High-Power,Long-Wavelength Infrared ZnGeP2 Opo Pumped by a Q-Switched Tm,Ho:GdVO4 Laser |
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| Authors: | Linjun Li Xining Yang Yuqiang Yang Long Zhou Wei Wang Xiaoyang Yu Yuezhu Wang |
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| Affiliation: | 1.Higher Educational Key Laboratory for Measuring & Control Technology and Instrumentations of the Heilongjiang Province Harbin University of Science and Technology,Harbin,China;2.Heilongjiang Province Optoelectronics and Laser Technology Key Laboratory Heilongjiang Institute of Technology,Harbin,China;3.School of Applied Sciences Harbin University of Science and Technology,Harbin,China;4.National Key Laboratory of Tunable Laser Technology Harbin Institute of Technology,Harbin,China |
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| Abstract: | We report a high-power, long-wavelength infrared ZnGeP2 (ZGP) optical parametric oscillator (OPO) pumped by a Q-switched Tm,Ho:GdVO4 laser. The wavelength tuning range of 7.8–9.9 μm is realized by rotating the external angle of the ZGP crystal. We obtain an output power over 30 mW across the whole wavelength range and achieve a 1.71 W output power at 8.08 μm by transmitting the OPO parameters, corresponding to an idler laser slope efficiency of 12.1%. |
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