Tandem-pumped 1120-nm actively Q-switched fiber laser
Wang Jian-Huaa),b),c), Hu Jin-Mengb), Zhang Shi-Qiangc), Chen Lu-Luc), Fang Yongc), Feng Yanb)†, Li Zhia)
       
Single pulse profile at 2 kHz from tandem-pumped 1120-nm actively Q-switched fiber laser, with the inset showing the measured pulse train.