Longpu Li, Yujiao Li, Yanjie Song, Shenjin Zhang, Nan Zong, Zhimin Wang, Yong Bo, Qinjun Peng, Zuyan Xu. High-Power and High-Efficiency Widely Tunable Ti∶sapphire Nanosecond pulsed Laser Pumped by Q-Switched Green Laser[J]. Chinese Journal of Lasers, 2019, 46(5): 0508018