We report the first self-Q-switched Yb-doped GdYSiO5（Yb：GYSO） laser operating at 1080 nm.Stable Q-switched pulses with a repetition rate of 18.1 k Hz and pulse duration of 9.45 μs are obtained.A maximum average ou...We report the first self-Q-switched Yb-doped GdYSiO5（Yb：GYSO） laser operating at 1080 nm.Stable Q-switched pulses with a repetition rate of 18.1 k Hz and pulse duration of 9.45 μs are obtained.A maximum average output power of452.6 m W is achieved with a 1% transmission output coupler.With a 3% transmission output coupler,the shortest pulse width of 6.6 μs is obtained.It demonstrates that Yb：GYSO crystal can be simultaneously employed as a saturable absorber and a gain medium to generate microsecond Q-switched pulses in the near infrared region.展开更多
基金Project supported by the National Natural Science Foundation of China(Grant No.61575011)the Beijing Municipal Natural Science Foundation,China(Grant No.1102005)
文摘We report the first self-Q-switched Yb-doped GdYSiO5（Yb：GYSO） laser operating at 1080 nm.Stable Q-switched pulses with a repetition rate of 18.1 k Hz and pulse duration of 9.45 μs are obtained.A maximum average output power of452.6 m W is achieved with a 1% transmission output coupler.With a 3% transmission output coupler,the shortest pulse width of 6.6 μs is obtained.It demonstrates that Yb：GYSO crystal can be simultaneously employed as a saturable absorber and a gain medium to generate microsecond Q-switched pulses in the near infrared region.
