Narrow-linewidth BaGa4Se7 optical parametric oscillator

Jintian Bian (卞进田), Hui Kong (孔 辉), Qing Ye (叶 庆), Jiyong Yao (姚吉勇), Lei Guo (郭 磊), and Xiaoquan Sun (孙晓泉) 1 State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Hefei 230037, China 2 Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China 3 Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China 4 School of Mechanics and Photoelectric Physics, Anhui University of Science and Technology, Huainan 232001, China

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